Home / 4,678,943.60-7,017,103.20-1,485,048.80

Finding the Fourth Proportional to 4,678,943.60, 7,017,103.20 and 1,485,048.80

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Solution

The fourth proportional to 4,678,943.60, 7,017,103.20 and 1,485,048.80 is: 2,227,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,943.60 : 7,017,103.20 = 1,485,048.80 : x
  2. Step 2: Convert to fraction form
    4,678,943.60/7,017,103.20 = 1,485,048.80/x
  3. Step 3: Cross multiply
    4,678,943.60x = 7,017,103.20 × 1,485,048.80
  4. Step 4: Simplify right side
    4,678,943.60x = 10,420,740,686,636.16
  5. Step 5: Solve for x
    x = 10,420,740,686,636.16/4,678,943.60
  6. Step 6: Final answer
    x = 2,227,156.72

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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.