Home / 2,158,079.04-2,978,149.23-1,191,209.58

Finding the Fourth Proportional to 2,158,079.04, 2,978,149.23 and 1,191,209.58

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Solution

The fourth proportional to 2,158,079.04, 2,978,149.23 and 1,191,209.58 is: 1,643,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,079.04 : 2,978,149.23 = 1,191,209.58 : x
  2. Step 2: Convert to fraction form
    2,158,079.04/2,978,149.23 = 1,191,209.58/x
  3. Step 3: Cross multiply
    2,158,079.04x = 2,978,149.23 × 1,191,209.58
  4. Step 4: Simplify right side
    2,158,079.04x = 3,547,599,893,445.62
  5. Step 5: Solve for x
    x = 3,547,599,893,445.62/2,158,079.04
  6. Step 6: Final answer
    x = 1,643,869.31

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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.