Home / 6,439,184.12-8,885,895-3,538,574.12

Finding the Fourth Proportional to 6,439,184.12, 8,885,895 and 3,538,574.12

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Solution

The fourth proportional to 6,439,184.12, 8,885,895 and 3,538,574.12 is: 4,883,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,184.12 : 8,885,895 = 3,538,574.12 : x
  2. Step 2: Convert to fraction form
    6,439,184.12/8,885,895 = 3,538,574.12/x
  3. Step 3: Cross multiply
    6,439,184.12x = 8,885,895 × 3,538,574.12
  4. Step 4: Simplify right side
    6,439,184.12x = 31,443,398,080,037.40
  5. Step 5: Solve for x
    x = 31,443,398,080,037.40/6,439,184.12
  6. Step 6: Final answer
    x = 4,883,133.87

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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.