Home / 3,075,333.90-4,613,000.85-1,640,443.20

Finding the Fourth Proportional to 3,075,333.90, 4,613,000.85 and 1,640,443.20

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Solution

The fourth proportional to 3,075,333.90, 4,613,000.85 and 1,640,443.20 is: 2,460,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,333.90 : 4,613,000.85 = 1,640,443.20 : x
  2. Step 2: Convert to fraction form
    3,075,333.90/4,613,000.85 = 1,640,443.20/x
  3. Step 3: Cross multiply
    3,075,333.90x = 4,613,000.85 × 1,640,443.20
  4. Step 4: Simplify right side
    3,075,333.90x = 7,567,365,875,976.72
  5. Step 5: Solve for x
    x = 7,567,365,875,976.72/3,075,333.90
  6. Step 6: Final answer
    x = 2,460,664.80

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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.