Home / 2,900,905.87-4,352,146.13-879,068.11

Finding the Fourth Proportional to 2,900,905.87, 4,352,146.13 and 879,068.11

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Solution

The fourth proportional to 2,900,905.87, 4,352,146.13 and 879,068.11 is: 1,318,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,905.87 : 4,352,146.13 = 879,068.11 : x
  2. Step 2: Convert to fraction form
    2,900,905.87/4,352,146.13 = 879,068.11/x
  3. Step 3: Cross multiply
    2,900,905.87x = 4,352,146.13 × 879,068.11
  4. Step 4: Simplify right side
    2,900,905.87x = 3,825,832,872,942.91
  5. Step 5: Solve for x
    x = 3,825,832,872,942.91/2,900,905.87
  6. Step 6: Final answer
    x = 1,318,840.75

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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.