Home / 5,385,653.34-8,078,457.87-2,190,752.52

Finding the Fourth Proportional to 5,385,653.34, 8,078,457.87 and 2,190,752.52

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Solution

The fourth proportional to 5,385,653.34, 8,078,457.87 and 2,190,752.52 is: 3,286,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,653.34 : 8,078,457.87 = 2,190,752.52 : x
  2. Step 2: Convert to fraction form
    5,385,653.34/8,078,457.87 = 2,190,752.52/x
  3. Step 3: Cross multiply
    5,385,653.34x = 8,078,457.87 × 2,190,752.52
  4. Step 4: Simplify right side
    5,385,653.34x = 17,697,901,936,416.33
  5. Step 5: Solve for x
    x = 17,697,901,936,416.33/5,385,653.34
  6. Step 6: Final answer
    x = 3,286,119.77

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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.