Home / 2,108,296.08-2,909,394.72-1,178,011.08

Finding the Fourth Proportional to 2,108,296.08, 2,909,394.72 and 1,178,011.08

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Solution

The fourth proportional to 2,108,296.08, 2,909,394.72 and 1,178,011.08 is: 1,625,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,296.08 : 2,909,394.72 = 1,178,011.08 : x
  2. Step 2: Convert to fraction form
    2,108,296.08/2,909,394.72 = 1,178,011.08/x
  3. Step 3: Cross multiply
    2,108,296.08x = 2,909,394.72 × 1,178,011.08
  4. Step 4: Simplify right side
    2,108,296.08x = 3,427,299,216,253.50
  5. Step 5: Solve for x
    x = 3,427,299,216,253.50/2,108,296.08
  6. Step 6: Final answer
    x = 1,625,625.19

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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.