Home / 4,680,700.80-7,021,051.20-1,839,350.40

Finding the Fourth Proportional to 4,680,700.80, 7,021,051.20 and 1,839,350.40

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Solution

The fourth proportional to 4,680,700.80, 7,021,051.20 and 1,839,350.40 is: 2,759,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,700.80 : 7,021,051.20 = 1,839,350.40 : x
  2. Step 2: Convert to fraction form
    4,680,700.80/7,021,051.20 = 1,839,350.40/x
  3. Step 3: Cross multiply
    4,680,700.80x = 7,021,051.20 × 1,839,350.40
  4. Step 4: Simplify right side
    4,680,700.80x = 12,914,173,333,140.48
  5. Step 5: Solve for x
    x = 12,914,173,333,140.48/4,680,700.80
  6. Step 6: Final answer
    x = 2,759,025.60

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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.