Home / 2,153,186.40-3,229,779.60-1,515,457.20

Finding the Fourth Proportional to 2,153,186.40, 3,229,779.60 and 1,515,457.20

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Solution

The fourth proportional to 2,153,186.40, 3,229,779.60 and 1,515,457.20 is: 2,273,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,186.40 : 3,229,779.60 = 1,515,457.20 : x
  2. Step 2: Convert to fraction form
    2,153,186.40/3,229,779.60 = 1,515,457.20/x
  3. Step 3: Cross multiply
    2,153,186.40x = 3,229,779.60 × 1,515,457.20
  4. Step 4: Simplify right side
    2,153,186.40x = 4,894,592,749,233.12
  5. Step 5: Solve for x
    x = 4,894,592,749,233.12/2,153,186.40
  6. Step 6: Final answer
    x = 2,273,185.80

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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.