Home / 7,240,210.20-10,860,315.30-2,191,520.70

Finding the Fourth Proportional to 7,240,210.20, 10,860,315.30 and 2,191,520.70

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Solution

The fourth proportional to 7,240,210.20, 10,860,315.30 and 2,191,520.70 is: 3,287,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,210.20 : 10,860,315.30 = 2,191,520.70 : x
  2. Step 2: Convert to fraction form
    7,240,210.20/10,860,315.30 = 2,191,520.70/x
  3. Step 3: Cross multiply
    7,240,210.20x = 10,860,315.30 × 2,191,520.70
  4. Step 4: Simplify right side
    7,240,210.20x = 23,800,605,788,476.71
  5. Step 5: Solve for x
    x = 23,800,605,788,476.71/7,240,210.20
  6. Step 6: Final answer
    x = 3,287,281.05

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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.