Home / 3,119,572.20-4,675,421.70-1,518,688.20

Finding the Fourth Proportional to 3,119,572.20, 4,675,421.70 and 1,518,688.20

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Solution

The fourth proportional to 3,119,572.20, 4,675,421.70 and 1,518,688.20 is: 2,276,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,572.20 : 4,675,421.70 = 1,518,688.20 : x
  2. Step 2: Convert to fraction form
    3,119,572.20/4,675,421.70 = 1,518,688.20/x
  3. Step 3: Cross multiply
    3,119,572.20x = 4,675,421.70 × 1,518,688.20
  4. Step 4: Simplify right side
    3,119,572.20x = 7,100,507,765,813.94
  5. Step 5: Solve for x
    x = 7,100,507,765,813.94/3,119,572.20
  6. Step 6: Final answer
    x = 2,276,115.86

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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.