Home / 1,927,878.62-2,660,562.18-1,068,438.96

Finding the Fourth Proportional to 1,927,878.62, 2,660,562.18 and 1,068,438.96

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Solution

The fourth proportional to 1,927,878.62, 2,660,562.18 and 1,068,438.96 is: 1,474,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,878.62 : 2,660,562.18 = 1,068,438.96 : x
  2. Step 2: Convert to fraction form
    1,927,878.62/2,660,562.18 = 1,068,438.96/x
  3. Step 3: Cross multiply
    1,927,878.62x = 2,660,562.18 × 1,068,438.96
  4. Step 4: Simplify right side
    1,927,878.62x = 2,842,648,288,614.53
  5. Step 5: Solve for x
    x = 2,842,648,288,614.53/1,927,878.62
  6. Step 6: Final answer
    x = 1,474,495.47

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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.