Home / 6,422,239.80-8,862,686.52-3,521,680.08

Finding the Fourth Proportional to 6,422,239.80, 8,862,686.52 and 3,521,680.08

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Solution

The fourth proportional to 6,422,239.80, 8,862,686.52 and 3,521,680.08 is: 4,859,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422,239.80 : 8,862,686.52 = 3,521,680.08 : x
  2. Step 2: Convert to fraction form
    6,422,239.80/8,862,686.52 = 3,521,680.08/x
  3. Step 3: Cross multiply
    6,422,239.80x = 8,862,686.52 × 3,521,680.08
  4. Step 4: Simplify right side
    6,422,239.80x = 31,211,546,572,768.52
  5. Step 5: Solve for x
    x = 31,211,546,572,768.52/6,422,239.80
  6. Step 6: Final answer
    x = 4,859,916.10

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1.5x scale

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.