Home / 2,134,514.40-3,200,734.80-1,186,879.20

Finding the Fourth Proportional to 2,134,514.40, 3,200,734.80 and 1,186,879.20

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Solution

The fourth proportional to 2,134,514.40, 3,200,734.80 and 1,186,879.20 is: 1,779,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,514.40 : 3,200,734.80 = 1,186,879.20 : x
  2. Step 2: Convert to fraction form
    2,134,514.40/3,200,734.80 = 1,186,879.20/x
  3. Step 3: Cross multiply
    2,134,514.40x = 3,200,734.80 × 1,186,879.20
  4. Step 4: Simplify right side
    2,134,514.40x = 3,798,885,558,836.16
  5. Step 5: Solve for x
    x = 3,798,885,558,836.16/2,134,514.40
  6. Step 6: Final answer
    x = 1,779,742.30

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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.