Home / 3,120,915.60-4,681,373.40-877,053.60

Finding the Fourth Proportional to 3,120,915.60, 4,681,373.40 and 877,053.60

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Solution

The fourth proportional to 3,120,915.60, 4,681,373.40 and 877,053.60 is: 1,315,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,915.60 : 4,681,373.40 = 877,053.60 : x
  2. Step 2: Convert to fraction form
    3,120,915.60/4,681,373.40 = 877,053.60/x
  3. Step 3: Cross multiply
    3,120,915.60x = 4,681,373.40 × 877,053.60
  4. Step 4: Simplify right side
    3,120,915.60x = 4,105,815,393,414.24
  5. Step 5: Solve for x
    x = 4,105,815,393,414.24/3,120,915.60
  6. Step 6: Final answer
    x = 1,315,580.40

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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.