Home / 2,108,005.52-2,908,320.68-1,190,120.08

Finding the Fourth Proportional to 2,108,005.52, 2,908,320.68 and 1,190,120.08

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Solution

The fourth proportional to 2,108,005.52, 2,908,320.68 and 1,190,120.08 is: 1,641,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,005.52 : 2,908,320.68 = 1,190,120.08 : x
  2. Step 2: Convert to fraction form
    2,108,005.52/2,908,320.68 = 1,190,120.08/x
  3. Step 3: Cross multiply
    2,108,005.52x = 2,908,320.68 × 1,190,120.08
  4. Step 4: Simplify right side
    2,108,005.52x = 3,461,250,840,347.26
  5. Step 5: Solve for x
    x = 3,461,250,840,347.26/2,108,005.52
  6. Step 6: Final answer
    x = 1,641,955.30

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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.