Home / 3,107,478.56-4,288,536.02-1,883,835.66

Finding the Fourth Proportional to 3,107,478.56, 4,288,536.02 and 1,883,835.66

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Solution

The fourth proportional to 3,107,478.56, 4,288,536.02 and 1,883,835.66 is: 2,599,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,478.56 : 4,288,536.02 = 1,883,835.66 : x
  2. Step 2: Convert to fraction form
    3,107,478.56/4,288,536.02 = 1,883,835.66/x
  3. Step 3: Cross multiply
    3,107,478.56x = 4,288,536.02 × 1,883,835.66
  4. Step 4: Simplify right side
    3,107,478.56x = 8,078,897,083,670.47
  5. Step 5: Solve for x
    x = 8,078,897,083,670.47/3,107,478.56
  6. Step 6: Final answer
    x = 2,599,823.92

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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.