Home / 3,290,642.40-4,932,277.20-1,871,378.40

Finding the Fourth Proportional to 3,290,642.40, 4,932,277.20 and 1,871,378.40

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Solution

The fourth proportional to 3,290,642.40, 4,932,277.20 and 1,871,378.40 is: 2,804,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,642.40 : 4,932,277.20 = 1,871,378.40 : x
  2. Step 2: Convert to fraction form
    3,290,642.40/4,932,277.20 = 1,871,378.40/x
  3. Step 3: Cross multiply
    3,290,642.40x = 4,932,277.20 × 1,871,378.40
  4. Step 4: Simplify right side
    3,290,642.40x = 9,230,157,014,892.48
  5. Step 5: Solve for x
    x = 9,230,157,014,892.48/3,290,642.40
  6. Step 6: Final answer
    x = 2,804,971.16

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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.