Home / 2,080,407.40-3,117,111.90-1,779,476.20

Finding the Fourth Proportional to 2,080,407.40, 3,117,111.90 and 1,779,476.20

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Solution

The fourth proportional to 2,080,407.40, 3,117,111.90 and 1,779,476.20 is: 2,666,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,407.40 : 3,117,111.90 = 1,779,476.20 : x
  2. Step 2: Convert to fraction form
    2,080,407.40/3,117,111.90 = 1,779,476.20/x
  3. Step 3: Cross multiply
    2,080,407.40x = 3,117,111.90 × 1,779,476.20
  4. Step 4: Simplify right side
    2,080,407.40x = 5,546,826,438,786.78
  5. Step 5: Solve for x
    x = 5,546,826,438,786.78/2,080,407.40
  6. Step 6: Final answer
    x = 2,666,221.26

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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.