Home / 1,979,411.60-2,731,619.76-1,073,993.60

Finding the Fourth Proportional to 1,979,411.60, 2,731,619.76 and 1,073,993.60

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Solution

The fourth proportional to 1,979,411.60, 2,731,619.76 and 1,073,993.60 is: 1,482,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,411.60 : 2,731,619.76 = 1,073,993.60 : x
  2. Step 2: Convert to fraction form
    1,979,411.60/2,731,619.76 = 1,073,993.60/x
  3. Step 3: Cross multiply
    1,979,411.60x = 2,731,619.76 × 1,073,993.60
  4. Step 4: Simplify right side
    1,979,411.60x = 2,933,742,139,873.54
  5. Step 5: Solve for x
    x = 2,933,742,139,873.54/1,979,411.60
  6. Step 6: Final answer
    x = 1,482,128.40

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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.