Home / 1,947,128-2,908,549.79-1,442,674.24

Finding the Fourth Proportional to 1,947,128, 2,908,549.79 and 1,442,674.24

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Solution

The fourth proportional to 1,947,128, 2,908,549.79 and 1,442,674.24 is: 2,155,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,128 : 2,908,549.79 = 1,442,674.24 : x
  2. Step 2: Convert to fraction form
    1,947,128/2,908,549.79 = 1,442,674.24/x
  3. Step 3: Cross multiply
    1,947,128x = 2,908,549.79 × 1,442,674.24
  4. Step 4: Simplify right side
    1,947,128x = 4,196,089,850,577.04
  5. Step 5: Solve for x
    x = 4,196,089,850,577.04/1,947,128
  6. Step 6: Final answer
    x = 2,155,014.90

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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.