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Finding the Fourth Proportional to 1,899,432, 2,849,148 and 569,736

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Solution

The fourth proportional to 1,899,432, 2,849,148 and 569,736 is: 854,604

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,432 : 2,849,148 = 569,736 : x
  2. Step 2: Convert to fraction form
    1,899,432/2,849,148 = 569,736/x
  3. Step 3: Cross multiply
    1,899,432x = 2,849,148 × 569,736
  4. Step 4: Simplify right side
    1,899,432x = 1,623,262,184,928
  5. Step 5: Solve for x
    x = 1,623,262,184,928/1,899,432
  6. Step 6: Final answer
    x = 854,604

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.