Home / 3,514,807.80-5,272,211.70-1,270,420.92

Finding the Fourth Proportional to 3,514,807.80, 5,272,211.70 and 1,270,420.92

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Solution

The fourth proportional to 3,514,807.80, 5,272,211.70 and 1,270,420.92 is: 1,905,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514,807.80 : 5,272,211.70 = 1,270,420.92 : x
  2. Step 2: Convert to fraction form
    3,514,807.80/5,272,211.70 = 1,270,420.92/x
  3. Step 3: Cross multiply
    3,514,807.80x = 5,272,211.70 × 1,270,420.92
  4. Step 4: Simplify right side
    3,514,807.80x = 6,697,928,038,348.76
  5. Step 5: Solve for x
    x = 6,697,928,038,348.76/3,514,807.80
  6. Step 6: Final answer
    x = 1,905,631.38

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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.