Home / 1,778,938.82-2,454,905.80-963,135.88

Finding the Fourth Proportional to 1,778,938.82, 2,454,905.80 and 963,135.88

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Solution

The fourth proportional to 1,778,938.82, 2,454,905.80 and 963,135.88 is: 1,329,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,938.82 : 2,454,905.80 = 963,135.88 : x
  2. Step 2: Convert to fraction form
    1,778,938.82/2,454,905.80 = 963,135.88/x
  3. Step 3: Cross multiply
    1,778,938.82x = 2,454,905.80 × 963,135.88
  4. Step 4: Simplify right side
    1,778,938.82x = 2,364,407,849,455.00
  5. Step 5: Solve for x
    x = 2,364,407,849,455.00/1,778,938.82
  6. Step 6: Final answer
    x = 1,329,111.39

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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.