Home / 3,121,297.62-4,681,946.46-877,435.62

Finding the Fourth Proportional to 3,121,297.62, 4,681,946.46 and 877,435.62

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Solution

The fourth proportional to 3,121,297.62, 4,681,946.46 and 877,435.62 is: 1,316,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,297.62 : 4,681,946.46 = 877,435.62 : x
  2. Step 2: Convert to fraction form
    3,121,297.62/4,681,946.46 = 877,435.62/x
  3. Step 3: Cross multiply
    3,121,297.62x = 4,681,946.46 × 877,435.62
  4. Step 4: Simplify right side
    3,121,297.62x = 4,108,106,594,936.91
  5. Step 5: Solve for x
    x = 4,108,106,594,936.91/3,121,297.62
  6. Step 6: Final answer
    x = 1,316,153.44

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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.