Home / 1,993,048.20-2,989,572.30-1,859,203.80

Finding the Fourth Proportional to 1,993,048.20, 2,989,572.30 and 1,859,203.80

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Solution

The fourth proportional to 1,993,048.20, 2,989,572.30 and 1,859,203.80 is: 2,788,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,048.20 : 2,989,572.30 = 1,859,203.80 : x
  2. Step 2: Convert to fraction form
    1,993,048.20/2,989,572.30 = 1,859,203.80/x
  3. Step 3: Cross multiply
    1,993,048.20x = 2,989,572.30 × 1,859,203.80
  4. Step 4: Simplify right side
    1,993,048.20x = 5,558,224,180,534.74
  5. Step 5: Solve for x
    x = 5,558,224,180,534.74/1,993,048.20
  6. Step 6: Final answer
    x = 2,788,805.70

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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.