Home / 2,119,756.86-3,179,637.06-522,320.13

Finding the Fourth Proportional to 2,119,756.86, 3,179,637.06 and 522,320.13

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Solution

The fourth proportional to 2,119,756.86, 3,179,637.06 and 522,320.13 is: 783,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,756.86 : 3,179,637.06 = 522,320.13 : x
  2. Step 2: Convert to fraction form
    2,119,756.86/3,179,637.06 = 522,320.13/x
  3. Step 3: Cross multiply
    2,119,756.86x = 3,179,637.06 × 522,320.13
  4. Step 4: Simplify right side
    2,119,756.86x = 1,660,788,442,532.02
  5. Step 5: Solve for x
    x = 1,660,788,442,532.02/2,119,756.86
  6. Step 6: Final answer
    x = 783,480.63

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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.