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Finding the Fourth Proportional to 2,666,435, 4,000,069.62 and 868,901.24

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Solution

The fourth proportional to 2,666,435, 4,000,069.62 and 868,901.24 is: 1,303,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,435 : 4,000,069.62 = 868,901.24 : x
  2. Step 2: Convert to fraction form
    2,666,435/4,000,069.62 = 868,901.24/x
  3. Step 3: Cross multiply
    2,666,435x = 4,000,069.62 × 868,901.24
  4. Step 4: Simplify right side
    2,666,435x = 3,475,665,452,904.33
  5. Step 5: Solve for x
    x = 3,475,665,452,904.33/2,666,435
  6. Step 6: Final answer
    x = 1,303,487.79

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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.