Home / 3,079,018.74-4,248,972.44-1,721,018.10

Finding the Fourth Proportional to 3,079,018.74, 4,248,972.44 and 1,721,018.10

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Solution

The fourth proportional to 3,079,018.74, 4,248,972.44 and 1,721,018.10 is: 2,374,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,018.74 : 4,248,972.44 = 1,721,018.10 : x
  2. Step 2: Convert to fraction form
    3,079,018.74/4,248,972.44 = 1,721,018.10/x
  3. Step 3: Cross multiply
    3,079,018.74x = 4,248,972.44 × 1,721,018.10
  4. Step 4: Simplify right side
    3,079,018.74x = 7,312,558,475,641.17
  5. Step 5: Solve for x
    x = 7,312,558,475,641.17/3,079,018.74
  6. Step 6: Final answer
    x = 2,374,963.94

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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.