Home / 2,852,456.42-3,936,420.78-1,563,269.06

Finding the Fourth Proportional to 2,852,456.42, 3,936,420.78 and 1,563,269.06

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Solution

The fourth proportional to 2,852,456.42, 3,936,420.78 and 1,563,269.06 is: 2,157,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,456.42 : 3,936,420.78 = 1,563,269.06 : x
  2. Step 2: Convert to fraction form
    2,852,456.42/3,936,420.78 = 1,563,269.06/x
  3. Step 3: Cross multiply
    2,852,456.42x = 3,936,420.78 × 1,563,269.06
  4. Step 4: Simplify right side
    2,852,456.42x = 6,153,684,812,515.07
  5. Step 5: Solve for x
    x = 6,153,684,812,515.07/2,852,456.42
  6. Step 6: Final answer
    x = 2,157,328.25

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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.