Home / 2,989,687.60-4,484,968.80-967,587.40

Finding the Fourth Proportional to 2,989,687.60, 4,484,968.80 and 967,587.40

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Solution

The fourth proportional to 2,989,687.60, 4,484,968.80 and 967,587.40 is: 1,451,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,687.60 : 4,484,968.80 = 967,587.40 : x
  2. Step 2: Convert to fraction form
    2,989,687.60/4,484,968.80 = 967,587.40/x
  3. Step 3: Cross multiply
    2,989,687.60x = 4,484,968.80 × 967,587.40
  4. Step 4: Simplify right side
    2,989,687.60x = 4,339,599,300,273.12
  5. Step 5: Solve for x
    x = 4,339,599,300,273.12/2,989,687.60
  6. Step 6: Final answer
    x = 1,451,522.66

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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.