Home / 5,121,605.10-7,682,407.65-2,570,688.30

Finding the Fourth Proportional to 5,121,605.10, 7,682,407.65 and 2,570,688.30

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Solution

The fourth proportional to 5,121,605.10, 7,682,407.65 and 2,570,688.30 is: 3,856,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,605.10 : 7,682,407.65 = 2,570,688.30 : x
  2. Step 2: Convert to fraction form
    5,121,605.10/7,682,407.65 = 2,570,688.30/x
  3. Step 3: Cross multiply
    5,121,605.10x = 7,682,407.65 × 2,570,688.30
  4. Step 4: Simplify right side
    5,121,605.10x = 19,749,075,461,685.50
  5. Step 5: Solve for x
    x = 19,749,075,461,685.50/5,121,605.10
  6. Step 6: Final answer
    x = 3,856,032.45

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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.