Home / 5,173,586.46-7,139,769.57-2,881,748.16

Finding the Fourth Proportional to 5,173,586.46, 7,139,769.57 and 2,881,748.16

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Solution

The fourth proportional to 5,173,586.46, 7,139,769.57 and 2,881,748.16 is: 3,976,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,586.46 : 7,139,769.57 = 2,881,748.16 : x
  2. Step 2: Convert to fraction form
    5,173,586.46/7,139,769.57 = 2,881,748.16/x
  3. Step 3: Cross multiply
    5,173,586.46x = 7,139,769.57 × 2,881,748.16
  4. Step 4: Simplify right side
    5,173,586.46x = 20,575,017,821,171.49
  5. Step 5: Solve for x
    x = 20,575,017,821,171.49/5,173,586.46
  6. Step 6: Final answer
    x = 3,976,935.15

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1.5x scale

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.