Home / 5,101,811.52-7,653,157.84-1,315,262.40

Finding the Fourth Proportional to 5,101,811.52, 7,653,157.84 and 1,315,262.40

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Solution

The fourth proportional to 5,101,811.52, 7,653,157.84 and 1,315,262.40 is: 1,973,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,811.52 : 7,653,157.84 = 1,315,262.40 : x
  2. Step 2: Convert to fraction form
    5,101,811.52/7,653,157.84 = 1,315,262.40/x
  3. Step 3: Cross multiply
    5,101,811.52x = 7,653,157.84 × 1,315,262.40
  4. Step 4: Simplify right side
    5,101,811.52x = 10,065,910,748,217.21
  5. Step 5: Solve for x
    x = 10,065,910,748,217.21/5,101,811.52
  6. Step 6: Final answer
    x = 1,973,007.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.