Home / 3,001,399.33-4,139,132.88-2,778,470.68

Finding the Fourth Proportional to 3,001,399.33, 4,139,132.88 and 2,778,470.68

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Solution

The fourth proportional to 3,001,399.33, 4,139,132.88 and 2,778,470.68 is: 3,831,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001,399.33 : 4,139,132.88 = 2,778,470.68 : x
  2. Step 2: Convert to fraction form
    3,001,399.33/4,139,132.88 = 2,778,470.68/x
  3. Step 3: Cross multiply
    3,001,399.33x = 4,139,132.88 × 2,778,470.68
  4. Step 4: Simplify right side
    3,001,399.33x = 11,500,459,347,703.96
  5. Step 5: Solve for x
    x = 11,500,459,347,703.96/3,001,399.33
  6. Step 6: Final answer
    x = 3,831,699.18

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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.