Home / 1,980,158.64-2,732,621.64-1,074,740.72

Finding the Fourth Proportional to 1,980,158.64, 2,732,621.64 and 1,074,740.72

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Solution

The fourth proportional to 1,980,158.64, 2,732,621.64 and 1,074,740.72 is: 1,483,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,158.64 : 2,732,621.64 = 1,074,740.72 : x
  2. Step 2: Convert to fraction form
    1,980,158.64/2,732,621.64 = 1,074,740.72/x
  3. Step 3: Cross multiply
    1,980,158.64x = 2,732,621.64 × 1,074,740.72
  4. Step 4: Simplify right side
    1,980,158.64x = 2,936,859,748,861.18
  5. Step 5: Solve for x
    x = 2,936,859,748,861.18/1,980,158.64
  6. Step 6: Final answer
    x = 1,483,143.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.