Home / 2,878,521.80-4,317,486.30-959,225.55

Finding the Fourth Proportional to 2,878,521.80, 4,317,486.30 and 959,225.55

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Solution

The fourth proportional to 2,878,521.80, 4,317,486.30 and 959,225.55 is: 1,438,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,521.80 : 4,317,486.30 = 959,225.55 : x
  2. Step 2: Convert to fraction form
    2,878,521.80/4,317,486.30 = 959,225.55/x
  3. Step 3: Cross multiply
    2,878,521.80x = 4,317,486.30 × 959,225.55
  4. Step 4: Simplify right side
    2,878,521.80x = 4,141,443,154,545.05
  5. Step 5: Solve for x
    x = 4,141,443,154,545.05/2,878,521.80
  6. Step 6: Final answer
    x = 1,438,739.55

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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.