Home / 2,218,427.43-3,327,831.63-778,987.08

Finding the Fourth Proportional to 2,218,427.43, 3,327,831.63 and 778,987.08

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Solution

The fourth proportional to 2,218,427.43, 3,327,831.63 and 778,987.08 is: 1,168,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,427.43 : 3,327,831.63 = 778,987.08 : x
  2. Step 2: Convert to fraction form
    2,218,427.43/3,327,831.63 = 778,987.08/x
  3. Step 3: Cross multiply
    2,218,427.43x = 3,327,831.63 × 778,987.08
  4. Step 4: Simplify right side
    2,218,427.43x = 2,592,337,844,185.34
  5. Step 5: Solve for x
    x = 2,592,337,844,185.34/2,218,427.43
  6. Step 6: Final answer
    x = 1,168,547.51

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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.