Home / 2,209,389.16-3,048,928.14-1,242,519.16

Finding the Fourth Proportional to 2,209,389.16, 3,048,928.14 and 1,242,519.16

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Solution

The fourth proportional to 2,209,389.16, 3,048,928.14 and 1,242,519.16 is: 1,714,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,389.16 : 3,048,928.14 = 1,242,519.16 : x
  2. Step 2: Convert to fraction form
    2,209,389.16/3,048,928.14 = 1,242,519.16/x
  3. Step 3: Cross multiply
    2,209,389.16x = 3,048,928.14 × 1,242,519.16
  4. Step 4: Simplify right side
    2,209,389.16x = 3,788,351,631,413.16
  5. Step 5: Solve for x
    x = 3,788,351,631,413.16/2,209,389.16
  6. Step 6: Final answer
    x = 1,714,660.19

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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.