Home / 1,549,244.48-2,138,211.02-1,290,711.44

Finding the Fourth Proportional to 1,549,244.48, 2,138,211.02 and 1,290,711.44

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Solution

The fourth proportional to 1,549,244.48, 2,138,211.02 and 1,290,711.44 is: 1,781,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,244.48 : 2,138,211.02 = 1,290,711.44 : x
  2. Step 2: Convert to fraction form
    1,549,244.48/2,138,211.02 = 1,290,711.44/x
  3. Step 3: Cross multiply
    1,549,244.48x = 2,138,211.02 × 1,290,711.44
  4. Step 4: Simplify right side
    1,549,244.48x = 2,759,813,433,220.37
  5. Step 5: Solve for x
    x = 2,759,813,433,220.37/1,549,244.48
  6. Step 6: Final answer
    x = 1,781,393.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.