Home / 2,174,788.32-3,001,124.30-1,207,980.20

Finding the Fourth Proportional to 2,174,788.32, 3,001,124.30 and 1,207,980.20

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Solution

The fourth proportional to 2,174,788.32, 3,001,124.30 and 1,207,980.20 is: 1,666,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,788.32 : 3,001,124.30 = 1,207,980.20 : x
  2. Step 2: Convert to fraction form
    2,174,788.32/3,001,124.30 = 1,207,980.20/x
  3. Step 3: Cross multiply
    2,174,788.32x = 3,001,124.30 × 1,207,980.20
  4. Step 4: Simplify right side
    2,174,788.32x = 3,625,298,711,093.34
  5. Step 5: Solve for x
    x = 3,625,298,711,093.34/2,174,788.32
  6. Step 6: Final answer
    x = 1,666,966.24

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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.