Home / 1,947,128.40-2,908,550.38-1,442,674.64

Finding the Fourth Proportional to 1,947,128.40, 2,908,550.38 and 1,442,674.64

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Solution

The fourth proportional to 1,947,128.40, 2,908,550.38 and 1,442,674.64 is: 2,155,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,128.40 : 2,908,550.38 = 1,442,674.64 : x
  2. Step 2: Convert to fraction form
    1,947,128.40/2,908,550.38 = 1,442,674.64/x
  3. Step 3: Cross multiply
    1,947,128.40x = 2,908,550.38 × 1,442,674.64
  4. Step 4: Simplify right side
    1,947,128.40x = 4,196,091,861,044.96
  5. Step 5: Solve for x
    x = 4,196,091,861,044.96/1,947,128.40
  6. Step 6: Final answer
    x = 2,155,015.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.