Home / 1,686,369.90-2,326,536.75-1,074,413.07

Finding the Fourth Proportional to 1,686,369.90, 2,326,536.75 and 1,074,413.07

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Solution

The fourth proportional to 1,686,369.90, 2,326,536.75 and 1,074,413.07 is: 1,482,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,369.90 : 2,326,536.75 = 1,074,413.07 : x
  2. Step 2: Convert to fraction form
    1,686,369.90/2,326,536.75 = 1,074,413.07/x
  3. Step 3: Cross multiply
    1,686,369.90x = 2,326,536.75 × 1,074,413.07
  4. Step 4: Simplify right side
    1,686,369.90x = 2,499,661,492,035.32
  5. Step 5: Solve for x
    x = 2,499,661,492,035.32/1,686,369.90
  6. Step 6: Final answer
    x = 1,482,273.55

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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.