Home / 6,480,943.90-9,720,249.45-4,080,492.70

Finding the Fourth Proportional to 6,480,943.90, 9,720,249.45 and 4,080,492.70

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Solution

The fourth proportional to 6,480,943.90, 9,720,249.45 and 4,080,492.70 is: 6,120,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,943.90 : 9,720,249.45 = 4,080,492.70 : x
  2. Step 2: Convert to fraction form
    6,480,943.90/9,720,249.45 = 4,080,492.70/x
  3. Step 3: Cross multiply
    6,480,943.90x = 9,720,249.45 × 4,080,492.70
  4. Step 4: Simplify right side
    6,480,943.90x = 39,663,406,922,904.02
  5. Step 5: Solve for x
    x = 39,663,406,922,904.02/6,480,943.90
  6. Step 6: Final answer
    x = 6,120,004.67

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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.