Home / 3,221,775.60-4,833,354.60-978,140.40

Finding the Fourth Proportional to 3,221,775.60, 4,833,354.60 and 978,140.40

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Solution

The fourth proportional to 3,221,775.60, 4,833,354.60 and 978,140.40 is: 1,467,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,775.60 : 4,833,354.60 = 978,140.40 : x
  2. Step 2: Convert to fraction form
    3,221,775.60/4,833,354.60 = 978,140.40/x
  3. Step 3: Cross multiply
    3,221,775.60x = 4,833,354.60 × 978,140.40
  4. Step 4: Simplify right side
    3,221,775.60x = 4,727,699,401,785.84
  5. Step 5: Solve for x
    x = 4,727,699,401,785.84/3,221,775.60
  6. Step 6: Final answer
    x = 1,467,420.45

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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.