Home / 2,692,534.20-4,033,886.10-1,640,681.40

Finding the Fourth Proportional to 2,692,534.20, 4,033,886.10 and 1,640,681.40

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Solution

The fourth proportional to 2,692,534.20, 4,033,886.10 and 1,640,681.40 is: 2,458,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,534.20 : 4,033,886.10 = 1,640,681.40 : x
  2. Step 2: Convert to fraction form
    2,692,534.20/4,033,886.10 = 1,640,681.40/x
  3. Step 3: Cross multiply
    2,692,534.20x = 4,033,886.10 × 1,640,681.40
  4. Step 4: Simplify right side
    2,692,534.20x = 6,618,321,893,988.54
  5. Step 5: Solve for x
    x = 6,618,321,893,988.54/2,692,534.20
  6. Step 6: Final answer
    x = 2,458,027.05

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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.