Home / 4,749,892.80-7,124,839.20-1,384,209.60

Finding the Fourth Proportional to 4,749,892.80, 7,124,839.20 and 1,384,209.60

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Solution

The fourth proportional to 4,749,892.80, 7,124,839.20 and 1,384,209.60 is: 2,076,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,892.80 : 7,124,839.20 = 1,384,209.60 : x
  2. Step 2: Convert to fraction form
    4,749,892.80/7,124,839.20 = 1,384,209.60/x
  3. Step 3: Cross multiply
    4,749,892.80x = 7,124,839.20 × 1,384,209.60
  4. Step 4: Simplify right side
    4,749,892.80x = 9,862,270,819,096.32
  5. Step 5: Solve for x
    x = 9,862,270,819,096.32/4,749,892.80
  6. Step 6: Final answer
    x = 2,076,314.40

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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.