Home / 2,798,402.40-4,197,603.60-2,640,938.40

Finding the Fourth Proportional to 2,798,402.40, 4,197,603.60 and 2,640,938.40

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Solution

The fourth proportional to 2,798,402.40, 4,197,603.60 and 2,640,938.40 is: 3,961,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,402.40 : 4,197,603.60 = 2,640,938.40 : x
  2. Step 2: Convert to fraction form
    2,798,402.40/4,197,603.60 = 2,640,938.40/x
  3. Step 3: Cross multiply
    2,798,402.40x = 4,197,603.60 × 2,640,938.40
  4. Step 4: Simplify right side
    2,798,402.40x = 11,085,612,535,218.24
  5. Step 5: Solve for x
    x = 11,085,612,535,218.24/2,798,402.40
  6. Step 6: Final answer
    x = 3,961,407.60

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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.