Home / 2,878,535.36-4,317,825.12-985,293.20

Finding the Fourth Proportional to 2,878,535.36, 4,317,825.12 and 985,293.20

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Solution

The fourth proportional to 2,878,535.36, 4,317,825.12 and 985,293.20 is: 1,477,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,535.36 : 4,317,825.12 = 985,293.20 : x
  2. Step 2: Convert to fraction form
    2,878,535.36/4,317,825.12 = 985,293.20/x
  3. Step 3: Cross multiply
    2,878,535.36x = 4,317,825.12 × 985,293.20
  4. Step 4: Simplify right side
    2,878,535.36x = 4,254,323,729,525.18
  5. Step 5: Solve for x
    x = 4,254,323,729,525.18/2,878,535.36
  6. Step 6: Final answer
    x = 1,477,947.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.