Home / 2,154,015.88-2,972,490.73-1,173,985.94

Finding the Fourth Proportional to 2,154,015.88, 2,972,490.73 and 1,173,985.94

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Solution

The fourth proportional to 2,154,015.88, 2,972,490.73 and 1,173,985.94 is: 1,620,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,015.88 : 2,972,490.73 = 1,173,985.94 : x
  2. Step 2: Convert to fraction form
    2,154,015.88/2,972,490.73 = 1,173,985.94/x
  3. Step 3: Cross multiply
    2,154,015.88x = 2,972,490.73 × 1,173,985.94
  4. Step 4: Simplify right side
    2,154,015.88x = 3,489,662,323,800.34
  5. Step 5: Solve for x
    x = 3,489,662,323,800.34/2,154,015.88
  6. Step 6: Final answer
    x = 1,620,072.70

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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.