Home / 5,361,078.32-7,398,345.24-2,913,689.36

Finding the Fourth Proportional to 5,361,078.32, 7,398,345.24 and 2,913,689.36

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Solution

The fourth proportional to 5,361,078.32, 7,398,345.24 and 2,913,689.36 is: 4,020,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,078.32 : 7,398,345.24 = 2,913,689.36 : x
  2. Step 2: Convert to fraction form
    5,361,078.32/7,398,345.24 = 2,913,689.36/x
  3. Step 3: Cross multiply
    5,361,078.32x = 7,398,345.24 × 2,913,689.36
  4. Step 4: Simplify right side
    5,361,078.32x = 21,556,479,807,394.64
  5. Step 5: Solve for x
    x = 21,556,479,807,394.64/5,361,078.32
  6. Step 6: Final answer
    x = 4,020,922.38

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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.