Home / 2,115,571.80-2,919,492.54-1,148,703.96

Finding the Fourth Proportional to 2,115,571.80, 2,919,492.54 and 1,148,703.96

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Solution

The fourth proportional to 2,115,571.80, 2,919,492.54 and 1,148,703.96 is: 1,585,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,571.80 : 2,919,492.54 = 1,148,703.96 : x
  2. Step 2: Convert to fraction form
    2,115,571.80/2,919,492.54 = 1,148,703.96/x
  3. Step 3: Cross multiply
    2,115,571.80x = 2,919,492.54 × 1,148,703.96
  4. Step 4: Simplify right side
    2,115,571.80x = 3,353,632,641,888.46
  5. Step 5: Solve for x
    x = 3,353,632,641,888.46/2,115,571.80
  6. Step 6: Final answer
    x = 1,585,213.34

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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.