Home / 2,020,855.50-2,788,780.83-1,115,437.74

Finding the Fourth Proportional to 2,020,855.50, 2,788,780.83 and 1,115,437.74

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Solution

The fourth proportional to 2,020,855.50, 2,788,780.83 and 1,115,437.74 is: 1,539,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,855.50 : 2,788,780.83 = 1,115,437.74 : x
  2. Step 2: Convert to fraction form
    2,020,855.50/2,788,780.83 = 1,115,437.74/x
  3. Step 3: Cross multiply
    2,020,855.50x = 2,788,780.83 × 1,115,437.74
  4. Step 4: Simplify right side
    2,020,855.50x = 3,110,711,386,370.52
  5. Step 5: Solve for x
    x = 3,110,711,386,370.52/2,020,855.50
  6. Step 6: Final answer
    x = 1,539,304.21

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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.