Home / 2,114,669.52-2,918,165.76-1,147,779.12

Finding the Fourth Proportional to 2,114,669.52, 2,918,165.76 and 1,147,779.12

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Solution

The fourth proportional to 2,114,669.52, 2,918,165.76 and 1,147,779.12 is: 1,583,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,669.52 : 2,918,165.76 = 1,147,779.12 : x
  2. Step 2: Convert to fraction form
    2,114,669.52/2,918,165.76 = 1,147,779.12/x
  3. Step 3: Cross multiply
    2,114,669.52x = 2,918,165.76 × 1,147,779.12
  4. Step 4: Simplify right side
    2,114,669.52x = 3,349,409,728,026.93
  5. Step 5: Solve for x
    x = 3,349,409,728,026.93/2,114,669.52
  6. Step 6: Final answer
    x = 1,583,892.75

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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.