Home / 3,075,378.40-4,613,067.60-1,640,487.70

Finding the Fourth Proportional to 3,075,378.40, 4,613,067.60 and 1,640,487.70

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Solution

The fourth proportional to 3,075,378.40, 4,613,067.60 and 1,640,487.70 is: 2,460,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,378.40 : 4,613,067.60 = 1,640,487.70 : x
  2. Step 2: Convert to fraction form
    3,075,378.40/4,613,067.60 = 1,640,487.70/x
  3. Step 3: Cross multiply
    3,075,378.40x = 4,613,067.60 × 1,640,487.70
  4. Step 4: Simplify right side
    3,075,378.40x = 7,567,680,657,068.52
  5. Step 5: Solve for x
    x = 7,567,680,657,068.52/3,075,378.40
  6. Step 6: Final answer
    x = 2,460,731.55

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Similar ratio
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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.