Home / 2,990,605.68-4,463,022.48-2,671,478.64

Finding the Fourth Proportional to 2,990,605.68, 4,463,022.48 and 2,671,478.64

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Solution

The fourth proportional to 2,990,605.68, 4,463,022.48 and 2,671,478.64 is: 3,986,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,605.68 : 4,463,022.48 = 2,671,478.64 : x
  2. Step 2: Convert to fraction form
    2,990,605.68/4,463,022.48 = 2,671,478.64/x
  3. Step 3: Cross multiply
    2,990,605.68x = 4,463,022.48 × 2,671,478.64
  4. Step 4: Simplify right side
    2,990,605.68x = 11,922,869,225,159.83
  5. Step 5: Solve for x
    x = 11,922,869,225,159.83/2,990,605.68
  6. Step 6: Final answer
    x = 3,986,774.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.