Home / 2,153,679.54-2,972,097.77-1,186,844.50

Finding the Fourth Proportional to 2,153,679.54, 2,972,097.77 and 1,186,844.50

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Solution

The fourth proportional to 2,153,679.54, 2,972,097.77 and 1,186,844.50 is: 1,637,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,679.54 : 2,972,097.77 = 1,186,844.50 : x
  2. Step 2: Convert to fraction form
    2,153,679.54/2,972,097.77 = 1,186,844.50/x
  3. Step 3: Cross multiply
    2,153,679.54x = 2,972,097.77 × 1,186,844.50
  4. Step 4: Simplify right side
    2,153,679.54x = 3,527,417,889,567.66
  5. Step 5: Solve for x
    x = 3,527,417,889,567.66/2,153,679.54
  6. Step 6: Final answer
    x = 1,637,856.44

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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.