Home / 2,312,749.40-3,472,534.41-1,290,077.87

Finding the Fourth Proportional to 2,312,749.40, 3,472,534.41 and 1,290,077.87

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Solution

The fourth proportional to 2,312,749.40, 3,472,534.41 and 1,290,077.87 is: 1,937,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,749.40 : 3,472,534.41 = 1,290,077.87 : x
  2. Step 2: Convert to fraction form
    2,312,749.40/3,472,534.41 = 1,290,077.87/x
  3. Step 3: Cross multiply
    2,312,749.40x = 3,472,534.41 × 1,290,077.87
  4. Step 4: Simplify right side
    2,312,749.40x = 4,479,839,777,791.84
  5. Step 5: Solve for x
    x = 4,479,839,777,791.84/2,312,749.40
  6. Step 6: Final answer
    x = 1,937,019.11

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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.