Home / 1,980,156.48-2,732,623.28-1,074,738.48

Finding the Fourth Proportional to 1,980,156.48, 2,732,623.28 and 1,074,738.48

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Solution

The fourth proportional to 1,980,156.48, 2,732,623.28 and 1,074,738.48 is: 1,483,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,156.48 : 2,732,623.28 = 1,074,738.48 : x
  2. Step 2: Convert to fraction form
    1,980,156.48/2,732,623.28 = 1,074,738.48/x
  3. Step 3: Cross multiply
    1,980,156.48x = 2,732,623.28 × 1,074,738.48
  4. Step 4: Simplify right side
    1,980,156.48x = 2,936,855,390,359.81
  5. Step 5: Solve for x
    x = 2,936,855,390,359.81/1,980,156.48
  6. Step 6: Final answer
    x = 1,483,143.08

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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.