Home / 4,309,956-6,464,966.40-1,913,156.28

Finding the Fourth Proportional to 4,309,956, 6,464,966.40 and 1,913,156.28

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Solution

The fourth proportional to 4,309,956, 6,464,966.40 and 1,913,156.28 is: 2,869,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,956 : 6,464,966.40 = 1,913,156.28 : x
  2. Step 2: Convert to fraction form
    4,309,956/6,464,966.40 = 1,913,156.28/x
  3. Step 3: Cross multiply
    4,309,956x = 6,464,966.40 × 1,913,156.28
  4. Step 4: Simplify right side
    4,309,956x = 12,368,491,068,148.99
  5. Step 5: Solve for x
    x = 12,368,491,068,148.99/4,309,956
  6. Step 6: Final answer
    x = 2,869,748.80

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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.