Home / 2,812,218.54-4,218,546.51-919,151.34

Finding the Fourth Proportional to 2,812,218.54, 4,218,546.51 and 919,151.34

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Solution

The fourth proportional to 2,812,218.54, 4,218,546.51 and 919,151.34 is: 1,378,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,218.54 : 4,218,546.51 = 919,151.34 : x
  2. Step 2: Convert to fraction form
    2,812,218.54/4,218,546.51 = 919,151.34/x
  3. Step 3: Cross multiply
    2,812,218.54x = 4,218,546.51 × 919,151.34
  4. Step 4: Simplify right side
    2,812,218.54x = 3,877,482,677,518.82
  5. Step 5: Solve for x
    x = 3,877,482,677,518.82/2,812,218.54
  6. Step 6: Final answer
    x = 1,378,798.49

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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.