Home / 3,005,017.47-4,507,947.20-983,420.28

Finding the Fourth Proportional to 3,005,017.47, 4,507,947.20 and 983,420.28

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Solution

The fourth proportional to 3,005,017.47, 4,507,947.20 and 983,420.28 is: 1,475,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,017.47 : 4,507,947.20 = 983,420.28 : x
  2. Step 2: Convert to fraction form
    3,005,017.47/4,507,947.20 = 983,420.28/x
  3. Step 3: Cross multiply
    3,005,017.47x = 4,507,947.20 × 983,420.28
  4. Step 4: Simplify right side
    3,005,017.47x = 4,433,206,700,107.77
  5. Step 5: Solve for x
    x = 4,433,206,700,107.77/3,005,017.47
  6. Step 6: Final answer
    x = 1,475,268.20

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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.