Home / 2,688,397.50-4,032,600.22-2,052,312.88

Finding the Fourth Proportional to 2,688,397.50, 4,032,600.22 and 2,052,312.88

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Solution

The fourth proportional to 2,688,397.50, 4,032,600.22 and 2,052,312.88 is: 3,078,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,397.50 : 4,032,600.22 = 2,052,312.88 : x
  2. Step 2: Convert to fraction form
    2,688,397.50/4,032,600.22 = 2,052,312.88/x
  3. Step 3: Cross multiply
    2,688,397.50x = 4,032,600.22 × 2,052,312.88
  4. Step 4: Simplify right side
    2,688,397.50x = 8,276,157,371,396.83
  5. Step 5: Solve for x
    x = 8,276,157,371,396.83/2,688,397.50
  6. Step 6: Final answer
    x = 3,078,472.35

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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.