Home / 2,182,790.61-2,990,436.75-2,100,973.93

Finding the Fourth Proportional to 2,182,790.61, 2,990,436.75 and 2,100,973.93

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Solution

The fourth proportional to 2,182,790.61, 2,990,436.75 and 2,100,973.93 is: 2,878,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,790.61 : 2,990,436.75 = 2,100,973.93 : x
  2. Step 2: Convert to fraction form
    2,182,790.61/2,990,436.75 = 2,100,973.93/x
  3. Step 3: Cross multiply
    2,182,790.61x = 2,990,436.75 × 2,100,973.93
  4. Step 4: Simplify right side
    2,182,790.61x = 6,282,829,625,606.87
  5. Step 5: Solve for x
    x = 6,282,829,625,606.87/2,182,790.61
  6. Step 6: Final answer
    x = 2,878,347.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.