Home / 3,312,921.51-4,969,492.74-916,565.49

Finding the Fourth Proportional to 3,312,921.51, 4,969,492.74 and 916,565.49

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Solution

The fourth proportional to 3,312,921.51, 4,969,492.74 and 916,565.49 is: 1,374,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,921.51 : 4,969,492.74 = 916,565.49 : x
  2. Step 2: Convert to fraction form
    3,312,921.51/4,969,492.74 = 916,565.49/x
  3. Step 3: Cross multiply
    3,312,921.51x = 4,969,492.74 × 916,565.49
  4. Step 4: Simplify right side
    3,312,921.51x = 4,554,865,548,289.54
  5. Step 5: Solve for x
    x = 4,554,865,548,289.54/3,312,921.51
  6. Step 6: Final answer
    x = 1,374,878.80

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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.