Home / 2,158,452.08-2,978,688-1,191,582.88

Finding the Fourth Proportional to 2,158,452.08, 2,978,688 and 1,191,582.88

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Solution

The fourth proportional to 2,158,452.08, 2,978,688 and 1,191,582.88 is: 1,644,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,452.08 : 2,978,688 = 1,191,582.88 : x
  2. Step 2: Convert to fraction form
    2,158,452.08/2,978,688 = 1,191,582.88/x
  3. Step 3: Cross multiply
    2,158,452.08x = 2,978,688 × 1,191,582.88
  4. Step 4: Simplify right side
    2,158,452.08x = 3,549,353,625,661.44
  5. Step 5: Solve for x
    x = 3,549,353,625,661.44/2,158,452.08
  6. Step 6: Final answer
    x = 1,644,397.70

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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.