Home / 2,319,612-3,201,070.40-1,353,406.56

Finding the Fourth Proportional to 2,319,612, 3,201,070.40 and 1,353,406.56

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Solution

The fourth proportional to 2,319,612, 3,201,070.40 and 1,353,406.56 is: 1,867,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,612 : 3,201,070.40 = 1,353,406.56 : x
  2. Step 2: Convert to fraction form
    2,319,612/3,201,070.40 = 1,353,406.56/x
  3. Step 3: Cross multiply
    2,319,612x = 3,201,070.40 × 1,353,406.56
  4. Step 4: Simplify right side
    2,319,612x = 4,332,349,678,381.82
  5. Step 5: Solve for x
    x = 4,332,349,678,381.82/2,319,612
  6. Step 6: Final answer
    x = 1,867,704.46

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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.