Home / 5,147,720.90-7,103,852.08-2,824,628.67

Finding the Fourth Proportional to 5,147,720.90, 7,103,852.08 and 2,824,628.67

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Solution

The fourth proportional to 5,147,720.90, 7,103,852.08 and 2,824,628.67 is: 3,897,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,720.90 : 7,103,852.08 = 2,824,628.67 : x
  2. Step 2: Convert to fraction form
    5,147,720.90/7,103,852.08 = 2,824,628.67/x
  3. Step 3: Cross multiply
    5,147,720.90x = 7,103,852.08 × 2,824,628.67
  4. Step 4: Simplify right side
    5,147,720.90x = 20,065,744,252,607.13
  5. Step 5: Solve for x
    x = 20,065,744,252,607.13/5,147,720.90
  6. Step 6: Final answer
    x = 3,897,986.05

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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.