Home / 1,538,871.56-2,123,901.08-1,041,930.08

Finding the Fourth Proportional to 1,538,871.56, 2,123,901.08 and 1,041,930.08

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Solution

The fourth proportional to 1,538,871.56, 2,123,901.08 and 1,041,930.08 is: 1,438,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,871.56 : 2,123,901.08 = 1,041,930.08 : x
  2. Step 2: Convert to fraction form
    1,538,871.56/2,123,901.08 = 1,041,930.08/x
  3. Step 3: Cross multiply
    1,538,871.56x = 2,123,901.08 × 1,041,930.08
  4. Step 4: Simplify right side
    1,538,871.56x = 2,212,956,422,196.49
  5. Step 5: Solve for x
    x = 2,212,956,422,196.49/1,538,871.56
  6. Step 6: Final answer
    x = 1,438,038.42

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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.