Home / 1,977,981.19-2,729,614.04-1,072,563.19

Finding the Fourth Proportional to 1,977,981.19, 2,729,614.04 and 1,072,563.19

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Solution

The fourth proportional to 1,977,981.19, 2,729,614.04 and 1,072,563.19 is: 1,480,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,981.19 : 2,729,614.04 = 1,072,563.19 : x
  2. Step 2: Convert to fraction form
    1,977,981.19/2,729,614.04 = 1,072,563.19/x
  3. Step 3: Cross multiply
    1,977,981.19x = 2,729,614.04 × 1,072,563.19
  4. Step 4: Simplify right side
    1,977,981.19x = 2,927,683,534,046.45
  5. Step 5: Solve for x
    x = 2,927,683,534,046.45/1,977,981.19
  6. Step 6: Final answer
    x = 1,480,137.20

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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.