Home / 2,487,297.69-3,432,430.61-1,399,568.64

Finding the Fourth Proportional to 2,487,297.69, 3,432,430.61 and 1,399,568.64

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Solution

The fourth proportional to 2,487,297.69, 3,432,430.61 and 1,399,568.64 is: 1,931,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,297.69 : 3,432,430.61 = 1,399,568.64 : x
  2. Step 2: Convert to fraction form
    2,487,297.69/3,432,430.61 = 1,399,568.64/x
  3. Step 3: Cross multiply
    2,487,297.69x = 3,432,430.61 × 1,399,568.64
  4. Step 4: Simplify right side
    2,487,297.69x = 4,803,922,233,734.23
  5. Step 5: Solve for x
    x = 4,803,922,233,734.23/2,487,297.69
  6. Step 6: Final answer
    x = 1,931,382.10

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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.