Home / 3,453,211.81-5,180,349.77-1,178,205.91

Finding the Fourth Proportional to 3,453,211.81, 5,180,349.77 and 1,178,205.91

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Solution

The fourth proportional to 3,453,211.81, 5,180,349.77 and 1,178,205.91 is: 1,767,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,211.81 : 5,180,349.77 = 1,178,205.91 : x
  2. Step 2: Convert to fraction form
    3,453,211.81/5,180,349.77 = 1,178,205.91/x
  3. Step 3: Cross multiply
    3,453,211.81x = 5,180,349.77 × 1,178,205.91
  4. Step 4: Simplify right side
    3,453,211.81x = 6,103,518,698,142.88
  5. Step 5: Solve for x
    x = 6,103,518,698,142.88/3,453,211.81
  6. Step 6: Final answer
    x = 1,767,490.39

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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.