Home / 1,667,191.61-2,299,877.96-1,054,312.20

Finding the Fourth Proportional to 1,667,191.61, 2,299,877.96 and 1,054,312.20

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Solution

The fourth proportional to 1,667,191.61, 2,299,877.96 and 1,054,312.20 is: 1,454,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,191.61 : 2,299,877.96 = 1,054,312.20 : x
  2. Step 2: Convert to fraction form
    1,667,191.61/2,299,877.96 = 1,054,312.20/x
  3. Step 3: Cross multiply
    1,667,191.61x = 2,299,877.96 × 1,054,312.20
  4. Step 4: Simplify right side
    1,667,191.61x = 2,424,789,386,467.55
  5. Step 5: Solve for x
    x = 2,424,789,386,467.55/1,667,191.61
  6. Step 6: Final answer
    x = 1,454,415.54

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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.