Home / 2,688,136.10-4,032,204.15-2,669,473.70

Finding the Fourth Proportional to 2,688,136.10, 4,032,204.15 and 2,669,473.70

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Solution

The fourth proportional to 2,688,136.10, 4,032,204.15 and 2,669,473.70 is: 4,004,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,136.10 : 4,032,204.15 = 2,669,473.70 : x
  2. Step 2: Convert to fraction form
    2,688,136.10/4,032,204.15 = 2,669,473.70/x
  3. Step 3: Cross multiply
    2,688,136.10x = 4,032,204.15 × 2,669,473.70
  4. Step 4: Simplify right side
    2,688,136.10x = 10,763,862,931,455.86
  5. Step 5: Solve for x
    x = 10,763,862,931,455.86/2,688,136.10
  6. Step 6: Final answer
    x = 4,004,210.55

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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.