Home / 1,914,556.89-2,642,088.54-1,055,117.14

Finding the Fourth Proportional to 1,914,556.89, 2,642,088.54 and 1,055,117.14

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Solution

The fourth proportional to 1,914,556.89, 2,642,088.54 and 1,055,117.14 is: 1,456,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,556.89 : 2,642,088.54 = 1,055,117.14 : x
  2. Step 2: Convert to fraction form
    1,914,556.89/2,642,088.54 = 1,055,117.14/x
  3. Step 3: Cross multiply
    1,914,556.89x = 2,642,088.54 × 1,055,117.14
  4. Step 4: Simplify right side
    1,914,556.89x = 2,787,712,903,951.58
  5. Step 5: Solve for x
    x = 2,787,712,903,951.58/1,914,556.89
  6. Step 6: Final answer
    x = 1,456,061.67

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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.