Home / 1,118,002.64-1,543,802.60-1,081,850.13

Finding the Fourth Proportional to 1,118,002.64, 1,543,802.60 and 1,081,850.13

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Solution

The fourth proportional to 1,118,002.64, 1,543,802.60 and 1,081,850.13 is: 1,493,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,002.64 : 1,543,802.60 = 1,081,850.13 : x
  2. Step 2: Convert to fraction form
    1,118,002.64/1,543,802.60 = 1,081,850.13/x
  3. Step 3: Cross multiply
    1,118,002.64x = 1,543,802.60 × 1,081,850.13
  4. Step 4: Simplify right side
    1,118,002.64x = 1,670,163,043,504.34
  5. Step 5: Solve for x
    x = 1,670,163,043,504.34/1,118,002.64
  6. Step 6: Final answer
    x = 1,493,881.13

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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.