Home / 6,423,428-8,864,330.64-3,561,860

Finding the Fourth Proportional to 6,423,428, 8,864,330.64 and 3,561,860

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Solution

The fourth proportional to 6,423,428, 8,864,330.64 and 3,561,860 is: 4,915,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423,428 : 8,864,330.64 = 3,561,860 : x
  2. Step 2: Convert to fraction form
    6,423,428/8,864,330.64 = 3,561,860/x
  3. Step 3: Cross multiply
    6,423,428x = 8,864,330.64 × 3,561,860
  4. Step 4: Simplify right side
    6,423,428x = 31,573,504,733,390.40
  5. Step 5: Solve for x
    x = 31,573,504,733,390.40/6,423,428
  6. Step 6: Final answer
    x = 4,915,366.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.