Home / 1,908,738.60-2,861,008.38-786,195.24

Finding the Fourth Proportional to 1,908,738.60, 2,861,008.38 and 786,195.24

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Solution

The fourth proportional to 1,908,738.60, 2,861,008.38 and 786,195.24 is: 1,178,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,738.60 : 2,861,008.38 = 786,195.24 : x
  2. Step 2: Convert to fraction form
    1,908,738.60/2,861,008.38 = 786,195.24/x
  3. Step 3: Cross multiply
    1,908,738.60x = 2,861,008.38 × 786,195.24
  4. Step 4: Simplify right side
    1,908,738.60x = 2,249,311,169,956.11
  5. Step 5: Solve for x
    x = 2,249,311,169,956.11/1,908,738.60
  6. Step 6: Final answer
    x = 1,178,428.08

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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.