Home / 1,817,488.80-2,720,984.40-1,108,900.80

Finding the Fourth Proportional to 1,817,488.80, 2,720,984.40 and 1,108,900.80

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Solution

The fourth proportional to 1,817,488.80, 2,720,984.40 and 1,108,900.80 is: 1,660,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,488.80 : 2,720,984.40 = 1,108,900.80 : x
  2. Step 2: Convert to fraction form
    1,817,488.80/2,720,984.40 = 1,108,900.80/x
  3. Step 3: Cross multiply
    1,817,488.80x = 2,720,984.40 × 1,108,900.80
  4. Step 4: Simplify right side
    1,817,488.80x = 3,017,301,777,947.52
  5. Step 5: Solve for x
    x = 3,017,301,777,947.52/1,817,488.80
  6. Step 6: Final answer
    x = 1,660,148.76

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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.