Home / 2,225,009.20-3,337,513.80-1,213,740.40

Finding the Fourth Proportional to 2,225,009.20, 3,337,513.80 and 1,213,740.40

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Solution

The fourth proportional to 2,225,009.20, 3,337,513.80 and 1,213,740.40 is: 1,820,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,009.20 : 3,337,513.80 = 1,213,740.40 : x
  2. Step 2: Convert to fraction form
    2,225,009.20/3,337,513.80 = 1,213,740.40/x
  3. Step 3: Cross multiply
    2,225,009.20x = 3,337,513.80 × 1,213,740.40
  4. Step 4: Simplify right side
    2,225,009.20x = 4,050,875,334,617.52
  5. Step 5: Solve for x
    x = 4,050,875,334,617.52/2,225,009.20
  6. Step 6: Final answer
    x = 1,820,610.60

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1.5x scale

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.