Home / 2,146,155.87-2,961,685.40-1,179,283.35

Finding the Fourth Proportional to 2,146,155.87, 2,961,685.40 and 1,179,283.35

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Solution

The fourth proportional to 2,146,155.87, 2,961,685.40 and 1,179,283.35 is: 1,627,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,155.87 : 2,961,685.40 = 1,179,283.35 : x
  2. Step 2: Convert to fraction form
    2,146,155.87/2,961,685.40 = 1,179,283.35/x
  3. Step 3: Cross multiply
    2,146,155.87x = 2,961,685.40 × 1,179,283.35
  4. Step 4: Simplify right side
    2,146,155.87x = 3,492,666,274,261.67
  5. Step 5: Solve for x
    x = 3,492,666,274,261.67/2,146,155.87
  6. Step 6: Final answer
    x = 1,627,405.69

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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.