Home / 3,141,636.60-4,334,089.50-1,979,377.32

Finding the Fourth Proportional to 3,141,636.60, 4,334,089.50 and 1,979,377.32

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Solution

The fourth proportional to 3,141,636.60, 4,334,089.50 and 1,979,377.32 is: 2,730,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,636.60 : 4,334,089.50 = 1,979,377.32 : x
  2. Step 2: Convert to fraction form
    3,141,636.60/4,334,089.50 = 1,979,377.32/x
  3. Step 3: Cross multiply
    3,141,636.60x = 4,334,089.50 × 1,979,377.32
  4. Step 4: Simplify right side
    3,141,636.60x = 8,578,798,459,150.14
  5. Step 5: Solve for x
    x = 8,578,798,459,150.14/3,141,636.60
  6. Step 6: Final answer
    x = 2,730,678.16

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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.