Home / 3,390,638.86-4,679,131.08-1,841,929.66

Finding the Fourth Proportional to 3,390,638.86, 4,679,131.08 and 1,841,929.66

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Solution

The fourth proportional to 3,390,638.86, 4,679,131.08 and 1,841,929.66 is: 2,541,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,638.86 : 4,679,131.08 = 1,841,929.66 : x
  2. Step 2: Convert to fraction form
    3,390,638.86/4,679,131.08 = 1,841,929.66/x
  3. Step 3: Cross multiply
    3,390,638.86x = 4,679,131.08 × 1,841,929.66
  4. Step 4: Simplify right side
    3,390,638.86x = 8,618,630,319,279.83
  5. Step 5: Solve for x
    x = 8,618,630,319,279.83/3,390,638.86
  6. Step 6: Final answer
    x = 2,541,889.80

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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.