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Finding the Fourth Proportional to 6,446,507.07, 9,666,432.95 and 1,896,964.62

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Solution

The fourth proportional to 6,446,507.07, 9,666,432.95 and 1,896,964.62 is: 2,844,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,507.07 : 9,666,432.95 = 1,896,964.62 : x
  2. Step 2: Convert to fraction form
    6,446,507.07/9,666,432.95 = 1,896,964.62/x
  3. Step 3: Cross multiply
    6,446,507.07x = 9,666,432.95 × 1,896,964.62
  4. Step 4: Simplify right side
    6,446,507.07x = 18,336,881,298,267.41
  5. Step 5: Solve for x
    x = 18,336,881,298,267.41/6,446,507.07
  6. Step 6: Final answer
    x = 2,844,467.72

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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.