Home / 1,536,322.55-2,121,123.78-1,374,900.08

Finding the Fourth Proportional to 1,536,322.55, 2,121,123.78 and 1,374,900.08

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Solution

The fourth proportional to 1,536,322.55, 2,121,123.78 and 1,374,900.08 is: 1,898,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,322.55 : 2,121,123.78 = 1,374,900.08 : x
  2. Step 2: Convert to fraction form
    1,536,322.55/2,121,123.78 = 1,374,900.08/x
  3. Step 3: Cross multiply
    1,536,322.55x = 2,121,123.78 × 1,374,900.08
  4. Step 4: Simplify right side
    1,536,322.55x = 2,916,333,244,206.28
  5. Step 5: Solve for x
    x = 2,916,333,244,206.28/1,536,322.55
  6. Step 6: Final answer
    x = 1,898,255.84

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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.