Home / 3,118,977.87-4,678,909.67-960,182.64

Finding the Fourth Proportional to 3,118,977.87, 4,678,909.67 and 960,182.64

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Solution

The fourth proportional to 3,118,977.87, 4,678,909.67 and 960,182.64 is: 1,440,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,977.87 : 4,678,909.67 = 960,182.64 : x
  2. Step 2: Convert to fraction form
    3,118,977.87/4,678,909.67 = 960,182.64/x
  3. Step 3: Cross multiply
    3,118,977.87x = 4,678,909.67 × 960,182.64
  4. Step 4: Simplify right side
    3,118,977.87x = 4,492,607,834,461.22
  5. Step 5: Solve for x
    x = 4,492,607,834,461.22/3,118,977.87
  6. Step 6: Final answer
    x = 1,440,410.30

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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.