Home / 1,988,032.40-2,982,048.60-1,232,205.20

Finding the Fourth Proportional to 1,988,032.40, 2,982,048.60 and 1,232,205.20

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Solution

The fourth proportional to 1,988,032.40, 2,982,048.60 and 1,232,205.20 is: 1,848,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,032.40 : 2,982,048.60 = 1,232,205.20 : x
  2. Step 2: Convert to fraction form
    1,988,032.40/2,982,048.60 = 1,232,205.20/x
  3. Step 3: Cross multiply
    1,988,032.40x = 2,982,048.60 × 1,232,205.20
  4. Step 4: Simplify right side
    1,988,032.40x = 3,674,495,791,572.72
  5. Step 5: Solve for x
    x = 3,674,495,791,572.72/1,988,032.40
  6. Step 6: Final answer
    x = 1,848,307.80

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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.