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Finding the Fourth Proportional to 4,696,712.88, 7,045,955.28 and 1,500,981.04

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Solution

The fourth proportional to 4,696,712.88, 7,045,955.28 and 1,500,981.04 is: 2,251,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696,712.88 : 7,045,955.28 = 1,500,981.04 : x
  2. Step 2: Convert to fraction form
    4,696,712.88/7,045,955.28 = 1,500,981.04/x
  3. Step 3: Cross multiply
    4,696,712.88x = 7,045,955.28 × 1,500,981.04
  4. Step 4: Simplify right side
    4,696,712.88x = 10,575,845,283,967.89
  5. Step 5: Solve for x
    x = 10,575,845,283,967.89/4,696,712.88
  6. Step 6: Final answer
    x = 2,251,754.70

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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.