Home / 1,980,155.38-2,722,109.04-1,703,503.66

Finding the Fourth Proportional to 1,980,155.38, 2,722,109.04 and 1,703,503.66

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Solution

The fourth proportional to 1,980,155.38, 2,722,109.04 and 1,703,503.66 is: 2,341,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,155.38 : 2,722,109.04 = 1,703,503.66 : x
  2. Step 2: Convert to fraction form
    1,980,155.38/2,722,109.04 = 1,703,503.66/x
  3. Step 3: Cross multiply
    1,980,155.38x = 2,722,109.04 × 1,703,503.66
  4. Step 4: Simplify right side
    1,980,155.38x = 4,637,122,712,559.09
  5. Step 5: Solve for x
    x = 4,637,122,712,559.09/1,980,155.38
  6. Step 6: Final answer
    x = 2,341,797.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.