Home / 3,280,530.90-4,527,135.45-1,830,226.56

Finding the Fourth Proportional to 3,280,530.90, 4,527,135.45 and 1,830,226.56

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Solution

The fourth proportional to 3,280,530.90, 4,527,135.45 and 1,830,226.56 is: 2,525,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,530.90 : 4,527,135.45 = 1,830,226.56 : x
  2. Step 2: Convert to fraction form
    3,280,530.90/4,527,135.45 = 1,830,226.56/x
  3. Step 3: Cross multiply
    3,280,530.90x = 4,527,135.45 × 1,830,226.56
  4. Step 4: Simplify right side
    3,280,530.90x = 8,285,683,541,307.55
  5. Step 5: Solve for x
    x = 8,285,683,541,307.55/3,280,530.90
  6. Step 6: Final answer
    x = 2,525,714.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.