Home / 2,672,628.84-3,688,627.14-2,103,948.36

Finding the Fourth Proportional to 2,672,628.84, 3,688,627.14 and 2,103,948.36

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Solution

The fourth proportional to 2,672,628.84, 3,688,627.14 and 2,103,948.36 is: 2,903,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,628.84 : 3,688,627.14 = 2,103,948.36 : x
  2. Step 2: Convert to fraction form
    2,672,628.84/3,688,627.14 = 2,103,948.36/x
  3. Step 3: Cross multiply
    2,672,628.84x = 3,688,627.14 × 2,103,948.36
  4. Step 4: Simplify right side
    2,672,628.84x = 7,760,681,021,854.49
  5. Step 5: Solve for x
    x = 7,760,681,021,854.49/2,672,628.84
  6. Step 6: Final answer
    x = 2,903,763.11

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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.