Home / 2,181,340.68-3,009,470.88-1,263,068.52

Finding the Fourth Proportional to 2,181,340.68, 3,009,470.88 and 1,263,068.52

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Solution

The fourth proportional to 2,181,340.68, 3,009,470.88 and 1,263,068.52 is: 1,742,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,340.68 : 3,009,470.88 = 1,263,068.52 : x
  2. Step 2: Convert to fraction form
    2,181,340.68/3,009,470.88 = 1,263,068.52/x
  3. Step 3: Cross multiply
    2,181,340.68x = 3,009,470.88 × 1,263,068.52
  4. Step 4: Simplify right side
    2,181,340.68x = 3,801,167,930,384.70
  5. Step 5: Solve for x
    x = 3,801,167,930,384.70/2,181,340.68
  6. Step 6: Final answer
    x = 1,742,583.34

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1.5x scale

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.