Home / 1,938,058.86-2,906,866.47-518,225.66

Finding the Fourth Proportional to 1,938,058.86, 2,906,866.47 and 518,225.66

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Solution

The fourth proportional to 1,938,058.86, 2,906,866.47 and 518,225.66 is: 777,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,058.86 : 2,906,866.47 = 518,225.66 : x
  2. Step 2: Convert to fraction form
    1,938,058.86/2,906,866.47 = 518,225.66/x
  3. Step 3: Cross multiply
    1,938,058.86x = 2,906,866.47 × 518,225.66
  4. Step 4: Simplify right side
    1,938,058.86x = 1,506,412,780,413.29
  5. Step 5: Solve for x
    x = 1,506,412,780,413.29/1,938,058.86
  6. Step 6: Final answer
    x = 777,279.17

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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.