Home / 1,640,537.10-2,458,962.45-841,509.90

Finding the Fourth Proportional to 1,640,537.10, 2,458,962.45 and 841,509.90

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Solution

The fourth proportional to 1,640,537.10, 2,458,962.45 and 841,509.90 is: 1,261,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,537.10 : 2,458,962.45 = 841,509.90 : x
  2. Step 2: Convert to fraction form
    1,640,537.10/2,458,962.45 = 841,509.90/x
  3. Step 3: Cross multiply
    1,640,537.10x = 2,458,962.45 × 841,509.90
  4. Step 4: Simplify right side
    1,640,537.10x = 2,069,241,245,403.26
  5. Step 5: Solve for x
    x = 2,069,241,245,403.26/1,640,537.10
  6. Step 6: Final answer
    x = 1,261,319.38

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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.