Home / 3,118,978.18-4,302,393.64-1,877,725.14

Finding the Fourth Proportional to 3,118,978.18, 4,302,393.64 and 1,877,725.14

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Solution

The fourth proportional to 3,118,978.18, 4,302,393.64 and 1,877,725.14 is: 2,590,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,978.18 : 4,302,393.64 = 1,877,725.14 : x
  2. Step 2: Convert to fraction form
    3,118,978.18/4,302,393.64 = 1,877,725.14/x
  3. Step 3: Cross multiply
    3,118,978.18x = 4,302,393.64 × 1,877,725.14
  4. Step 4: Simplify right side
    3,118,978.18x = 8,078,712,690,615.48
  5. Step 5: Solve for x
    x = 8,078,712,690,615.48/3,118,978.18
  6. Step 6: Final answer
    x = 2,590,179.30

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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.