Home / 2,657,804.40-3,986,567.28-764,471.52

Finding the Fourth Proportional to 2,657,804.40, 3,986,567.28 and 764,471.52

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Solution

The fourth proportional to 2,657,804.40, 3,986,567.28 and 764,471.52 is: 1,146,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,804.40 : 3,986,567.28 = 764,471.52 : x
  2. Step 2: Convert to fraction form
    2,657,804.40/3,986,567.28 = 764,471.52/x
  3. Step 3: Cross multiply
    2,657,804.40x = 3,986,567.28 × 764,471.52
  4. Step 4: Simplify right side
    2,657,804.40x = 3,047,617,148,123.87
  5. Step 5: Solve for x
    x = 3,047,617,148,123.87/2,657,804.40
  6. Step 6: Final answer
    x = 1,146,667.21

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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.