Home / 1,886,961.76-2,832,412.56-1,663,773.28

Finding the Fourth Proportional to 1,886,961.76, 2,832,412.56 and 1,663,773.28

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Solution

The fourth proportional to 1,886,961.76, 2,832,412.56 and 1,663,773.28 is: 2,497,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,961.76 : 2,832,412.56 = 1,663,773.28 : x
  2. Step 2: Convert to fraction form
    1,886,961.76/2,832,412.56 = 1,663,773.28/x
  3. Step 3: Cross multiply
    1,886,961.76x = 2,832,412.56 × 1,663,773.28
  4. Step 4: Simplify right side
    1,886,961.76x = 4,712,492,335,264.40
  5. Step 5: Solve for x
    x = 4,712,492,335,264.40/1,886,961.76
  6. Step 6: Final answer
    x = 2,497,396.84

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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.