Home / 2,153,887.64-2,972,384.56-1,187,053

Finding the Fourth Proportional to 2,153,887.64, 2,972,384.56 and 1,187,053

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Solution

The fourth proportional to 2,153,887.64, 2,972,384.56 and 1,187,053 is: 1,638,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,887.64 : 2,972,384.56 = 1,187,053 : x
  2. Step 2: Convert to fraction form
    2,153,887.64/2,972,384.56 = 1,187,053/x
  3. Step 3: Cross multiply
    2,153,887.64x = 2,972,384.56 × 1,187,053
  4. Step 4: Simplify right side
    2,153,887.64x = 3,528,378,009,101.68
  5. Step 5: Solve for x
    x = 3,528,378,009,101.68/2,153,887.64
  6. Step 6: Final answer
    x = 1,638,143.95

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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.