Home / 2,378,909.59-3,282,807.29-1,291,157.81

Finding the Fourth Proportional to 2,378,909.59, 3,282,807.29 and 1,291,157.81

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Solution

The fourth proportional to 2,378,909.59, 3,282,807.29 and 1,291,157.81 is: 1,781,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,909.59 : 3,282,807.29 = 1,291,157.81 : x
  2. Step 2: Convert to fraction form
    2,378,909.59/3,282,807.29 = 1,291,157.81/x
  3. Step 3: Cross multiply
    2,378,909.59x = 3,282,807.29 × 1,291,157.81
  4. Step 4: Simplify right side
    2,378,909.59x = 4,238,622,276,806.79
  5. Step 5: Solve for x
    x = 4,238,622,276,806.79/2,378,909.59
  6. Step 6: Final answer
    x = 1,781,750.05

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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.