Home / 2,799,850.86-4,199,856.48-778,242.74

Finding the Fourth Proportional to 2,799,850.86, 4,199,856.48 and 778,242.74

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Solution

The fourth proportional to 2,799,850.86, 4,199,856.48 and 778,242.74 is: 1,167,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,850.86 : 4,199,856.48 = 778,242.74 : x
  2. Step 2: Convert to fraction form
    2,799,850.86/4,199,856.48 = 778,242.74/x
  3. Step 3: Cross multiply
    2,799,850.86x = 4,199,856.48 × 778,242.74
  4. Step 4: Simplify right side
    2,799,850.86x = 3,268,507,793,602.67
  5. Step 5: Solve for x
    x = 3,268,507,793,602.67/2,799,850.86
  6. Step 6: Final answer
    x = 1,167,386.39

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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.