Home / 6,439,476.80-8,886,292.74-3,538,864.16

Finding the Fourth Proportional to 6,439,476.80, 8,886,292.74 and 3,538,864.16

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Solution

The fourth proportional to 6,439,476.80, 8,886,292.74 and 3,538,864.16 is: 4,883,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,476.80 : 8,886,292.74 = 3,538,864.16 : x
  2. Step 2: Convert to fraction form
    6,439,476.80/8,886,292.74 = 3,538,864.16/x
  3. Step 3: Cross multiply
    6,439,476.80x = 8,886,292.74 × 3,538,864.16
  4. Step 4: Simplify right side
    6,439,476.80x = 31,447,382,892,854.20
  5. Step 5: Solve for x
    x = 31,447,382,892,854.20/6,439,476.80
  6. Step 6: Final answer
    x = 4,883,530.74

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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.