Home / 2,020,541.80-3,030,812.70-1,489,100.80

Finding the Fourth Proportional to 2,020,541.80, 3,030,812.70 and 1,489,100.80

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Solution

The fourth proportional to 2,020,541.80, 3,030,812.70 and 1,489,100.80 is: 2,233,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,541.80 : 3,030,812.70 = 1,489,100.80 : x
  2. Step 2: Convert to fraction form
    2,020,541.80/3,030,812.70 = 1,489,100.80/x
  3. Step 3: Cross multiply
    2,020,541.80x = 3,030,812.70 × 1,489,100.80
  4. Step 4: Simplify right side
    2,020,541.80x = 4,513,185,616,220.16
  5. Step 5: Solve for x
    x = 4,513,185,616,220.16/2,020,541.80
  6. Step 6: Final answer
    x = 2,233,651.20

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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.