Home / 2,943,403.68-4,064,981.28-2,028,012.96

Finding the Fourth Proportional to 2,943,403.68, 4,064,981.28 and 2,028,012.96

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Solution

The fourth proportional to 2,943,403.68, 4,064,981.28 and 2,028,012.96 is: 2,800,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,403.68 : 4,064,981.28 = 2,028,012.96 : x
  2. Step 2: Convert to fraction form
    2,943,403.68/4,064,981.28 = 2,028,012.96/x
  3. Step 3: Cross multiply
    2,943,403.68x = 4,064,981.28 × 2,028,012.96
  4. Step 4: Simplify right side
    2,943,403.68x = 8,243,834,717,997.39
  5. Step 5: Solve for x
    x = 8,243,834,717,997.39/2,943,403.68
  6. Step 6: Final answer
    x = 2,800,782.91

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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.