Home / 5,257,130.20-7,885,112.10-1,470,995.80

Finding the Fourth Proportional to 5,257,130.20, 7,885,112.10 and 1,470,995.80

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Solution

The fourth proportional to 5,257,130.20, 7,885,112.10 and 1,470,995.80 is: 2,206,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,130.20 : 7,885,112.10 = 1,470,995.80 : x
  2. Step 2: Convert to fraction form
    5,257,130.20/7,885,112.10 = 1,470,995.80/x
  3. Step 3: Cross multiply
    5,257,130.20x = 7,885,112.10 × 1,470,995.80
  4. Step 4: Simplify right side
    5,257,130.20x = 11,598,966,781,629.18
  5. Step 5: Solve for x
    x = 11,598,966,781,629.18/5,257,130.20
  6. Step 6: Final answer
    x = 2,206,330.52

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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.