Home / 1,980,116.50-2,971,424.25-842,876.98

Finding the Fourth Proportional to 1,980,116.50, 2,971,424.25 and 842,876.98

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Solution

The fourth proportional to 1,980,116.50, 2,971,424.25 and 842,876.98 is: 1,264,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,116.50 : 2,971,424.25 = 842,876.98 : x
  2. Step 2: Convert to fraction form
    1,980,116.50/2,971,424.25 = 842,876.98/x
  3. Step 3: Cross multiply
    1,980,116.50x = 2,971,424.25 × 842,876.98
  4. Step 4: Simplify right side
    1,980,116.50x = 2,504,545,098,138.77
  5. Step 5: Solve for x
    x = 2,504,545,098,138.77/1,980,116.50
  6. Step 6: Final answer
    x = 1,264,847.35

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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.