Home / 1,638,261.02-2,260,810.69-913,154.71

Finding the Fourth Proportional to 1,638,261.02, 2,260,810.69 and 913,154.71

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Solution

The fourth proportional to 1,638,261.02, 2,260,810.69 and 913,154.71 is: 1,260,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,261.02 : 2,260,810.69 = 913,154.71 : x
  2. Step 2: Convert to fraction form
    1,638,261.02/2,260,810.69 = 913,154.71/x
  3. Step 3: Cross multiply
    1,638,261.02x = 2,260,810.69 × 913,154.71
  4. Step 4: Simplify right side
    1,638,261.02x = 2,064,469,929,991.85
  5. Step 5: Solve for x
    x = 2,064,469,929,991.85/1,638,261.02
  6. Step 6: Final answer
    x = 1,260,159.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.