Home / 2,921,832.81-4,032,529.74-1,681,417.62

Finding the Fourth Proportional to 2,921,832.81, 4,032,529.74 and 1,681,417.62

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Solution

The fourth proportional to 2,921,832.81, 4,032,529.74 and 1,681,417.62 is: 2,320,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,832.81 : 4,032,529.74 = 1,681,417.62 : x
  2. Step 2: Convert to fraction form
    2,921,832.81/4,032,529.74 = 1,681,417.62/x
  3. Step 3: Cross multiply
    2,921,832.81x = 4,032,529.74 × 1,681,417.62
  4. Step 4: Simplify right side
    2,921,832.81x = 6,780,366,558,010.02
  5. Step 5: Solve for x
    x = 6,780,366,558,010.02/2,921,832.81
  6. Step 6: Final answer
    x = 2,320,586.77

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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.