Home / 1,587,112.44-2,190,563.90-1,043,298.46

Finding the Fourth Proportional to 1,587,112.44, 2,190,563.90 and 1,043,298.46

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Solution

The fourth proportional to 1,587,112.44, 2,190,563.90 and 1,043,298.46 is: 1,439,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,112.44 : 2,190,563.90 = 1,043,298.46 : x
  2. Step 2: Convert to fraction form
    1,587,112.44/2,190,563.90 = 1,043,298.46/x
  3. Step 3: Cross multiply
    1,587,112.44x = 2,190,563.90 × 1,043,298.46
  4. Step 4: Simplify right side
    1,587,112.44x = 2,285,411,943,401.59
  5. Step 5: Solve for x
    x = 2,285,411,943,401.59/1,587,112.44
  6. Step 6: Final answer
    x = 1,439,981.12

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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.