Home / 1,681,032.40-2,520,017.70-615,817.60

Finding the Fourth Proportional to 1,681,032.40, 2,520,017.70 and 615,817.60

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Solution

The fourth proportional to 1,681,032.40, 2,520,017.70 and 615,817.60 is: 923,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,032.40 : 2,520,017.70 = 615,817.60 : x
  2. Step 2: Convert to fraction form
    1,681,032.40/2,520,017.70 = 615,817.60/x
  3. Step 3: Cross multiply
    1,681,032.40x = 2,520,017.70 × 615,817.60
  4. Step 4: Simplify right side
    1,681,032.40x = 1,551,871,251,971.52
  5. Step 5: Solve for x
    x = 1,551,871,251,971.52/1,681,032.40
  6. Step 6: Final answer
    x = 923,165.58

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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.