Home / 1,762,472.90-2,643,709.35-1,643,500.10

Finding the Fourth Proportional to 1,762,472.90, 2,643,709.35 and 1,643,500.10

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Solution

The fourth proportional to 1,762,472.90, 2,643,709.35 and 1,643,500.10 is: 2,465,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,472.90 : 2,643,709.35 = 1,643,500.10 : x
  2. Step 2: Convert to fraction form
    1,762,472.90/2,643,709.35 = 1,643,500.10/x
  3. Step 3: Cross multiply
    1,762,472.90x = 2,643,709.35 × 1,643,500.10
  4. Step 4: Simplify right side
    1,762,472.90x = 4,344,936,581,095.94
  5. Step 5: Solve for x
    x = 4,344,936,581,095.94/1,762,472.90
  6. Step 6: Final answer
    x = 2,465,250.15

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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.