Home / 1,898,126.01-2,619,413.84-1,038,686.37

Finding the Fourth Proportional to 1,898,126.01, 2,619,413.84 and 1,038,686.37

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Solution

The fourth proportional to 1,898,126.01, 2,619,413.84 and 1,038,686.37 is: 1,433,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,126.01 : 2,619,413.84 = 1,038,686.37 : x
  2. Step 2: Convert to fraction form
    1,898,126.01/2,619,413.84 = 1,038,686.37/x
  3. Step 3: Cross multiply
    1,898,126.01x = 2,619,413.84 × 1,038,686.37
  4. Step 4: Simplify right side
    1,898,126.01x = 2,720,749,447,803.93
  5. Step 5: Solve for x
    x = 2,720,749,447,803.93/1,898,126.01
  6. Step 6: Final answer
    x = 1,433,387.16

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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.