Home / 2,775,657.40-3,830,194.02-1,687,779.88

Finding the Fourth Proportional to 2,775,657.40, 3,830,194.02 and 1,687,779.88

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Solution

The fourth proportional to 2,775,657.40, 3,830,194.02 and 1,687,779.88 is: 2,329,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,657.40 : 3,830,194.02 = 1,687,779.88 : x
  2. Step 2: Convert to fraction form
    2,775,657.40/3,830,194.02 = 1,687,779.88/x
  3. Step 3: Cross multiply
    2,775,657.40x = 3,830,194.02 × 1,687,779.88
  4. Step 4: Simplify right side
    2,775,657.40x = 6,464,524,403,452.32
  5. Step 5: Solve for x
    x = 6,464,524,403,452.32/2,775,657.40
  6. Step 6: Final answer
    x = 2,329,006.60

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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.