Home / 2,147,543.33-2,963,597.35-1,217,426.61

Finding the Fourth Proportional to 2,147,543.33, 2,963,597.35 and 1,217,426.61

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Solution

The fourth proportional to 2,147,543.33, 2,963,597.35 and 1,217,426.61 is: 1,680,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,543.33 : 2,963,597.35 = 1,217,426.61 : x
  2. Step 2: Convert to fraction form
    2,147,543.33/2,963,597.35 = 1,217,426.61/x
  3. Step 3: Cross multiply
    2,147,543.33x = 2,963,597.35 × 1,217,426.61
  4. Step 4: Simplify right side
    2,147,543.33x = 3,607,962,278,703.26
  5. Step 5: Solve for x
    x = 3,607,962,278,703.26/2,147,543.33
  6. Step 6: Final answer
    x = 1,680,041.67

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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.