Home / 2,142,349.29-2,956,442.06-1,224,598.32

Finding the Fourth Proportional to 2,142,349.29, 2,956,442.06 and 1,224,598.32

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Solution

The fourth proportional to 2,142,349.29, 2,956,442.06 and 1,224,598.32 is: 1,689,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,349.29 : 2,956,442.06 = 1,224,598.32 : x
  2. Step 2: Convert to fraction form
    2,142,349.29/2,956,442.06 = 1,224,598.32/x
  3. Step 3: Cross multiply
    2,142,349.29x = 2,956,442.06 × 1,224,598.32
  4. Step 4: Simplify right side
    2,142,349.29x = 3,620,453,982,914.84
  5. Step 5: Solve for x
    x = 3,620,453,982,914.84/2,142,349.29
  6. Step 6: Final answer
    x = 1,689,945.71

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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.