Home / 2,158,438.04-2,978,566.26-1,191,547.52

Finding the Fourth Proportional to 2,158,438.04, 2,978,566.26 and 1,191,547.52

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Solution

The fourth proportional to 2,158,438.04, 2,978,566.26 and 1,191,547.52 is: 1,644,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,438.04 : 2,978,566.26 = 1,191,547.52 : x
  2. Step 2: Convert to fraction form
    2,158,438.04/2,978,566.26 = 1,191,547.52/x
  3. Step 3: Cross multiply
    2,158,438.04x = 2,978,566.26 × 1,191,547.52
  4. Step 4: Simplify right side
    2,158,438.04x = 3,549,103,240,258.68
  5. Step 5: Solve for x
    x = 3,549,103,240,258.68/2,158,438.04
  6. Step 6: Final answer
    x = 1,644,292.39

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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.