Home / 2,909,120.29-4,360,686.33-1,290,651.34

Finding the Fourth Proportional to 2,909,120.29, 4,360,686.33 and 1,290,651.34

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Solution

The fourth proportional to 2,909,120.29, 4,360,686.33 and 1,290,651.34 is: 1,934,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,120.29 : 4,360,686.33 = 1,290,651.34 : x
  2. Step 2: Convert to fraction form
    2,909,120.29/4,360,686.33 = 1,290,651.34/x
  3. Step 3: Cross multiply
    2,909,120.29x = 4,360,686.33 × 1,290,651.34
  4. Step 4: Simplify right side
    2,909,120.29x = 5,628,125,655,134.18
  5. Step 5: Solve for x
    x = 5,628,125,655,134.18/2,909,120.29
  6. Step 6: Final answer
    x = 1,934,648.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.