Home / 1,869,413.91-2,579,973.30-1,105,713.51

Finding the Fourth Proportional to 1,869,413.91, 2,579,973.30 and 1,105,713.51

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Solution

The fourth proportional to 1,869,413.91, 2,579,973.30 and 1,105,713.51 is: 1,525,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,413.91 : 2,579,973.30 = 1,105,713.51 : x
  2. Step 2: Convert to fraction form
    1,869,413.91/2,579,973.30 = 1,105,713.51/x
  3. Step 3: Cross multiply
    1,869,413.91x = 2,579,973.30 × 1,105,713.51
  4. Step 4: Simplify right side
    1,869,413.91x = 2,852,711,333,249.28
  5. Step 5: Solve for x
    x = 2,852,711,333,249.28/1,869,413.91
  6. Step 6: Final answer
    x = 1,525,992.35

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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.