Home / 2,810,442.16-4,215,779.88-815,898.16

Finding the Fourth Proportional to 2,810,442.16, 4,215,779.88 and 815,898.16

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Solution

The fourth proportional to 2,810,442.16, 4,215,779.88 and 815,898.16 is: 1,223,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,442.16 : 4,215,779.88 = 815,898.16 : x
  2. Step 2: Convert to fraction form
    2,810,442.16/4,215,779.88 = 815,898.16/x
  3. Step 3: Cross multiply
    2,810,442.16x = 4,215,779.88 × 815,898.16
  4. Step 4: Simplify right side
    2,810,442.16x = 3,439,647,047,057.02
  5. Step 5: Solve for x
    x = 3,439,647,047,057.02/2,810,442.16
  6. Step 6: Final answer
    x = 1,223,881.10

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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.