Home / 2,986,790.40-4,480,185.60-992,246.40

Finding the Fourth Proportional to 2,986,790.40, 4,480,185.60 and 992,246.40

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Solution

The fourth proportional to 2,986,790.40, 4,480,185.60 and 992,246.40 is: 1,488,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,790.40 : 4,480,185.60 = 992,246.40 : x
  2. Step 2: Convert to fraction form
    2,986,790.40/4,480,185.60 = 992,246.40/x
  3. Step 3: Cross multiply
    2,986,790.40x = 4,480,185.60 × 992,246.40
  4. Step 4: Simplify right side
    2,986,790.40x = 4,445,448,032,931.84
  5. Step 5: Solve for x
    x = 4,445,448,032,931.84/2,986,790.40
  6. Step 6: Final answer
    x = 1,488,369.60

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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.