Home / 2,065,507.40-3,098,261.10-645,561.20

Finding the Fourth Proportional to 2,065,507.40, 3,098,261.10 and 645,561.20

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Solution

The fourth proportional to 2,065,507.40, 3,098,261.10 and 645,561.20 is: 968,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,507.40 : 3,098,261.10 = 645,561.20 : x
  2. Step 2: Convert to fraction form
    2,065,507.40/3,098,261.10 = 645,561.20/x
  3. Step 3: Cross multiply
    2,065,507.40x = 3,098,261.10 × 645,561.20
  4. Step 4: Simplify right side
    2,065,507.40x = 2,000,117,153,629.32
  5. Step 5: Solve for x
    x = 2,000,117,153,629.32/2,065,507.40
  6. Step 6: Final answer
    x = 968,341.80

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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.