Home / 2,353,985.40-3,530,978.10-778,049.40

Finding the Fourth Proportional to 2,353,985.40, 3,530,978.10 and 778,049.40

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Solution

The fourth proportional to 2,353,985.40, 3,530,978.10 and 778,049.40 is: 1,167,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353,985.40 : 3,530,978.10 = 778,049.40 : x
  2. Step 2: Convert to fraction form
    2,353,985.40/3,530,978.10 = 778,049.40/x
  3. Step 3: Cross multiply
    2,353,985.40x = 3,530,978.10 × 778,049.40
  4. Step 4: Simplify right side
    2,353,985.40x = 2,747,275,392,118.14
  5. Step 5: Solve for x
    x = 2,747,275,392,118.14/2,353,985.40
  6. Step 6: Final answer
    x = 1,167,074.10

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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.