Home / 4,681,008.60-7,021,512.90-2,878,045.80

Finding the Fourth Proportional to 4,681,008.60, 7,021,512.90 and 2,878,045.80

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Solution

The fourth proportional to 4,681,008.60, 7,021,512.90 and 2,878,045.80 is: 4,317,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,008.60 : 7,021,512.90 = 2,878,045.80 : x
  2. Step 2: Convert to fraction form
    4,681,008.60/7,021,512.90 = 2,878,045.80/x
  3. Step 3: Cross multiply
    4,681,008.60x = 7,021,512.90 × 2,878,045.80
  4. Step 4: Simplify right side
    4,681,008.60x = 20,208,235,711,490.82
  5. Step 5: Solve for x
    x = 20,208,235,711,490.82/4,681,008.60
  6. Step 6: Final answer
    x = 4,317,068.70

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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.