Home / 1,631,436.08-2,251,445.63-1,116,270.45

Finding the Fourth Proportional to 1,631,436.08, 2,251,445.63 and 1,116,270.45

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Solution

The fourth proportional to 1,631,436.08, 2,251,445.63 and 1,116,270.45 is: 1,540,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,436.08 : 2,251,445.63 = 1,116,270.45 : x
  2. Step 2: Convert to fraction form
    1,631,436.08/2,251,445.63 = 1,116,270.45/x
  3. Step 3: Cross multiply
    1,631,436.08x = 2,251,445.63 × 1,116,270.45
  4. Step 4: Simplify right side
    1,631,436.08x = 2,513,222,220,969.28
  5. Step 5: Solve for x
    x = 2,513,222,220,969.28/1,631,436.08
  6. Step 6: Final answer
    x = 1,540,496.90

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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.