Home / 5,514,507.80-8,272,020.90-1,728,114.20

Finding the Fourth Proportional to 5,514,507.80, 8,272,020.90 and 1,728,114.20

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Solution

The fourth proportional to 5,514,507.80, 8,272,020.90 and 1,728,114.20 is: 2,592,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,507.80 : 8,272,020.90 = 1,728,114.20 : x
  2. Step 2: Convert to fraction form
    5,514,507.80/8,272,020.90 = 1,728,114.20/x
  3. Step 3: Cross multiply
    5,514,507.80x = 8,272,020.90 × 1,728,114.20
  4. Step 4: Simplify right side
    5,514,507.80x = 14,294,996,779,986.78
  5. Step 5: Solve for x
    x = 14,294,996,779,986.78/5,514,507.80
  6. Step 6: Final answer
    x = 2,592,252.53

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1.5x scale

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.