Home / 2,229,030.78-3,075,980.31-1,210,413.66

Finding the Fourth Proportional to 2,229,030.78, 3,075,980.31 and 1,210,413.66

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Solution

The fourth proportional to 2,229,030.78, 3,075,980.31 and 1,210,413.66 is: 1,670,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,030.78 : 3,075,980.31 = 1,210,413.66 : x
  2. Step 2: Convert to fraction form
    2,229,030.78/3,075,980.31 = 1,210,413.66/x
  3. Step 3: Cross multiply
    2,229,030.78x = 3,075,980.31 × 1,210,413.66
  4. Step 4: Simplify right side
    2,229,030.78x = 3,723,208,585,115.03
  5. Step 5: Solve for x
    x = 3,723,208,585,115.03/2,229,030.78
  6. Step 6: Final answer
    x = 1,670,326.23

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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.