Home / 2,103,114.77-2,898,898.38-1,643,430.61

Finding the Fourth Proportional to 2,103,114.77, 2,898,898.38 and 1,643,430.61

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Solution

The fourth proportional to 2,103,114.77, 2,898,898.38 and 1,643,430.61 is: 2,265,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,114.77 : 2,898,898.38 = 1,643,430.61 : x
  2. Step 2: Convert to fraction form
    2,103,114.77/2,898,898.38 = 1,643,430.61/x
  3. Step 3: Cross multiply
    2,103,114.77x = 2,898,898.38 × 1,643,430.61
  4. Step 4: Simplify right side
    2,103,114.77x = 4,764,138,325,724.17
  5. Step 5: Solve for x
    x = 4,764,138,325,724.17/2,103,114.77
  6. Step 6: Final answer
    x = 2,265,277.39

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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.