Home / 1,831,480.40-2,739,444.60-1,643,301.20

Finding the Fourth Proportional to 1,831,480.40, 2,739,444.60 and 1,643,301.20

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Solution

The fourth proportional to 1,831,480.40, 2,739,444.60 and 1,643,301.20 is: 2,457,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,480.40 : 2,739,444.60 = 1,643,301.20 : x
  2. Step 2: Convert to fraction form
    1,831,480.40/2,739,444.60 = 1,643,301.20/x
  3. Step 3: Cross multiply
    1,831,480.40x = 2,739,444.60 × 1,643,301.20
  4. Step 4: Simplify right side
    1,831,480.40x = 4,501,732,598,513.52
  5. Step 5: Solve for x
    x = 4,501,732,598,513.52/1,831,480.40
  6. Step 6: Final answer
    x = 2,457,974.76

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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.