Home / 6,920,035.44-9,549,938.78-3,979,854.51

Finding the Fourth Proportional to 6,920,035.44, 9,549,938.78 and 3,979,854.51

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Solution

The fourth proportional to 6,920,035.44, 9,549,938.78 and 3,979,854.51 is: 5,492,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,035.44 : 9,549,938.78 = 3,979,854.51 : x
  2. Step 2: Convert to fraction form
    6,920,035.44/9,549,938.78 = 3,979,854.51/x
  3. Step 3: Cross multiply
    6,920,035.44x = 9,549,938.78 × 3,979,854.51
  4. Step 4: Simplify right side
    6,920,035.44x = 38,007,366,883,019.81
  5. Step 5: Solve for x
    x = 38,007,366,883,019.81/6,920,035.44
  6. Step 6: Final answer
    x = 5,492,365.93

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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.