Home / 2,146,130.42-2,961,659.15-1,179,323.06

Finding the Fourth Proportional to 2,146,130.42, 2,961,659.15 and 1,179,323.06

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Solution

The fourth proportional to 2,146,130.42, 2,961,659.15 and 1,179,323.06 is: 1,627,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,130.42 : 2,961,659.15 = 1,179,323.06 : x
  2. Step 2: Convert to fraction form
    2,146,130.42/2,961,659.15 = 1,179,323.06/x
  3. Step 3: Cross multiply
    2,146,130.42x = 2,961,659.15 × 1,179,323.06
  4. Step 4: Simplify right side
    2,146,130.42x = 3,492,752,937,384.99
  5. Step 5: Solve for x
    x = 3,492,752,937,384.99/2,146,130.42
  6. Step 6: Final answer
    x = 1,627,465.37

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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.