Home / 3,903,307.48-5,386,448.60-2,161,054.50

Finding the Fourth Proportional to 3,903,307.48, 5,386,448.60 and 2,161,054.50

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Solution

The fourth proportional to 3,903,307.48, 5,386,448.60 and 2,161,054.50 is: 2,982,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,307.48 : 5,386,448.60 = 2,161,054.50 : x
  2. Step 2: Convert to fraction form
    3,903,307.48/5,386,448.60 = 2,161,054.50/x
  3. Step 3: Cross multiply
    3,903,307.48x = 5,386,448.60 × 2,161,054.50
  4. Step 4: Simplify right side
    3,903,307.48x = 11,640,408,986,048.70
  5. Step 5: Solve for x
    x = 11,640,408,986,048.70/3,903,307.48
  6. Step 6: Final answer
    x = 2,982,191.14

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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.