Home / 4,680,778.80-7,021,168.20-1,314,985.80

Finding the Fourth Proportional to 4,680,778.80, 7,021,168.20 and 1,314,985.80

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Solution

The fourth proportional to 4,680,778.80, 7,021,168.20 and 1,314,985.80 is: 1,972,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,778.80 : 7,021,168.20 = 1,314,985.80 : x
  2. Step 2: Convert to fraction form
    4,680,778.80/7,021,168.20 = 1,314,985.80/x
  3. Step 3: Cross multiply
    4,680,778.80x = 7,021,168.20 × 1,314,985.80
  4. Step 4: Simplify right side
    4,680,778.80x = 9,232,736,482,411.56
  5. Step 5: Solve for x
    x = 9,232,736,482,411.56/4,680,778.80
  6. Step 6: Final answer
    x = 1,972,478.70

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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.