Home / 2,078,123.60-3,111,936.60-1,658,219.60

Finding the Fourth Proportional to 2,078,123.60, 3,111,936.60 and 1,658,219.60

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Solution

The fourth proportional to 2,078,123.60, 3,111,936.60 and 1,658,219.60 is: 2,483,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,123.60 : 3,111,936.60 = 1,658,219.60 : x
  2. Step 2: Convert to fraction form
    2,078,123.60/3,111,936.60 = 1,658,219.60/x
  3. Step 3: Cross multiply
    2,078,123.60x = 3,111,936.60 × 1,658,219.60
  4. Step 4: Simplify right side
    2,078,123.60x = 5,160,274,264,077.36
  5. Step 5: Solve for x
    x = 5,160,274,264,077.36/2,078,123.60
  6. Step 6: Final answer
    x = 2,483,141.17

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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.