Home / 3,075,389.40-4,613,084.10-1,640,498.70

Finding the Fourth Proportional to 3,075,389.40, 4,613,084.10 and 1,640,498.70

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Solution

The fourth proportional to 3,075,389.40, 4,613,084.10 and 1,640,498.70 is: 2,460,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,389.40 : 4,613,084.10 = 1,640,498.70 : x
  2. Step 2: Convert to fraction form
    3,075,389.40/4,613,084.10 = 1,640,498.70/x
  3. Step 3: Cross multiply
    3,075,389.40x = 4,613,084.10 × 1,640,498.70
  4. Step 4: Simplify right side
    3,075,389.40x = 7,567,758,469,040.67
  5. Step 5: Solve for x
    x = 7,567,758,469,040.67/3,075,389.40
  6. Step 6: Final answer
    x = 2,460,748.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.