Home / 1,638,277.52-2,455,641.16-838,462.46

Finding the Fourth Proportional to 1,638,277.52, 2,455,641.16 and 838,462.46

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Solution

The fourth proportional to 1,638,277.52, 2,455,641.16 and 838,462.46 is: 1,256,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,277.52 : 2,455,641.16 = 838,462.46 : x
  2. Step 2: Convert to fraction form
    1,638,277.52/2,455,641.16 = 838,462.46/x
  3. Step 3: Cross multiply
    1,638,277.52x = 2,455,641.16 × 838,462.46
  4. Step 4: Simplify right side
    1,638,277.52x = 2,058,962,921,751.75
  5. Step 5: Solve for x
    x = 2,058,962,921,751.75/1,638,277.52
  6. Step 6: Final answer
    x = 1,256,785.19

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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.