Home / 4,671,971.60-7,006,645.20-1,478,076.80

Finding the Fourth Proportional to 4,671,971.60, 7,006,645.20 and 1,478,076.80

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Solution

The fourth proportional to 4,671,971.60, 7,006,645.20 and 1,478,076.80 is: 2,216,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671,971.60 : 7,006,645.20 = 1,478,076.80 : x
  2. Step 2: Convert to fraction form
    4,671,971.60/7,006,645.20 = 1,478,076.80/x
  3. Step 3: Cross multiply
    4,671,971.60x = 7,006,645.20 × 1,478,076.80
  4. Step 4: Simplify right side
    4,671,971.60x = 10,356,359,715,951.36
  5. Step 5: Solve for x
    x = 10,356,359,715,951.36/4,671,971.60
  6. Step 6: Final answer
    x = 2,216,700.06

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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.