Home / 1,549,631.64-2,138,664.80-938,121.32

Finding the Fourth Proportional to 1,549,631.64, 2,138,664.80 and 938,121.32

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Solution

The fourth proportional to 1,549,631.64, 2,138,664.80 and 938,121.32 is: 1,294,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,631.64 : 2,138,664.80 = 938,121.32 : x
  2. Step 2: Convert to fraction form
    1,549,631.64/2,138,664.80 = 938,121.32/x
  3. Step 3: Cross multiply
    1,549,631.64x = 2,138,664.80 × 938,121.32
  4. Step 4: Simplify right side
    1,549,631.64x = 2,006,327,045,213.54
  5. Step 5: Solve for x
    x = 2,006,327,045,213.54/1,549,631.64
  6. Step 6: Final answer
    x = 1,294,712.24

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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.