Home / 6,439,342.08-8,885,862.36-3,538,670.52

Finding the Fourth Proportional to 6,439,342.08, 8,885,862.36 and 3,538,670.52

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Solution

The fourth proportional to 6,439,342.08, 8,885,862.36 and 3,538,670.52 is: 4,883,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,342.08 : 8,885,862.36 = 3,538,670.52 : x
  2. Step 2: Convert to fraction form
    6,439,342.08/8,885,862.36 = 3,538,670.52/x
  3. Step 3: Cross multiply
    6,439,342.08x = 8,885,862.36 × 3,538,670.52
  4. Step 4: Simplify right side
    6,439,342.08x = 31,444,139,178,109.62
  5. Step 5: Solve for x
    x = 31,444,139,178,109.62/6,439,342.08
  6. Step 6: Final answer
    x = 4,883,129.17

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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.