Home / 2,158,357.80-3,238,443.90-1,159,919.40

Finding the Fourth Proportional to 2,158,357.80, 3,238,443.90 and 1,159,919.40

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Solution

The fourth proportional to 2,158,357.80, 3,238,443.90 and 1,159,919.40 is: 1,740,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,357.80 : 3,238,443.90 = 1,159,919.40 : x
  2. Step 2: Convert to fraction form
    2,158,357.80/3,238,443.90 = 1,159,919.40/x
  3. Step 3: Cross multiply
    2,158,357.80x = 3,238,443.90 × 1,159,919.40
  4. Step 4: Simplify right side
    2,158,357.80x = 3,756,333,905,421.66
  5. Step 5: Solve for x
    x = 3,756,333,905,421.66/2,158,357.80
  6. Step 6: Final answer
    x = 1,740,366.64

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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.