Home / 2,180,484.24-3,009,037.91-1,213,614.78

Finding the Fourth Proportional to 2,180,484.24, 3,009,037.91 and 1,213,614.78

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Solution

The fourth proportional to 2,180,484.24, 3,009,037.91 and 1,213,614.78 is: 1,674,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,484.24 : 3,009,037.91 = 1,213,614.78 : x
  2. Step 2: Convert to fraction form
    2,180,484.24/3,009,037.91 = 1,213,614.78/x
  3. Step 3: Cross multiply
    2,180,484.24x = 3,009,037.91 × 1,213,614.78
  4. Step 4: Simplify right side
    2,180,484.24x = 3,651,812,881,156.31
  5. Step 5: Solve for x
    x = 3,651,812,881,156.31/2,180,484.24
  6. Step 6: Final answer
    x = 1,674,771.51

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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.