Home / 2,154,232.58-2,972,824.53-1,187,364.74

Finding the Fourth Proportional to 2,154,232.58, 2,972,824.53 and 1,187,364.74

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Solution

The fourth proportional to 2,154,232.58, 2,972,824.53 and 1,187,364.74 is: 1,638,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,232.58 : 2,972,824.53 = 1,187,364.74 : x
  2. Step 2: Convert to fraction form
    2,154,232.58/2,972,824.53 = 1,187,364.74/x
  3. Step 3: Cross multiply
    2,154,232.58x = 2,972,824.53 × 1,187,364.74
  4. Step 4: Simplify right side
    2,154,232.58x = 3,529,827,025,129.07
  5. Step 5: Solve for x
    x = 3,529,827,025,129.07/2,154,232.58
  6. Step 6: Final answer
    x = 1,638,554.29

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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.