Home / 3,185,231.04-4,779,810-1,291,988.88

Finding the Fourth Proportional to 3,185,231.04, 4,779,810 and 1,291,988.88

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Solution

The fourth proportional to 3,185,231.04, 4,779,810 and 1,291,988.88 is: 1,938,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,231.04 : 4,779,810 = 1,291,988.88 : x
  2. Step 2: Convert to fraction form
    3,185,231.04/4,779,810 = 1,291,988.88/x
  3. Step 3: Cross multiply
    3,185,231.04x = 4,779,810 × 1,291,988.88
  4. Step 4: Simplify right side
    3,185,231.04x = 6,175,461,368,512.80
  5. Step 5: Solve for x
    x = 6,175,461,368,512.80/3,185,231.04
  6. Step 6: Final answer
    x = 1,938,779.73

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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.