Home / 1,812,217.89-2,500,924.95-996,483.72

Finding the Fourth Proportional to 1,812,217.89, 2,500,924.95 and 996,483.72

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Solution

The fourth proportional to 1,812,217.89, 2,500,924.95 and 996,483.72 is: 1,375,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,217.89 : 2,500,924.95 = 996,483.72 : x
  2. Step 2: Convert to fraction form
    1,812,217.89/2,500,924.95 = 996,483.72/x
  3. Step 3: Cross multiply
    1,812,217.89x = 2,500,924.95 × 996,483.72
  4. Step 4: Simplify right side
    1,812,217.89x = 2,492,130,997,616.81
  5. Step 5: Solve for x
    x = 2,492,130,997,616.81/1,812,217.89
  6. Step 6: Final answer
    x = 1,375,182.87

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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.