Home / 3,005,011.02-4,145,611.95-1,987,835.34

Finding the Fourth Proportional to 3,005,011.02, 4,145,611.95 and 1,987,835.34

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Solution

The fourth proportional to 3,005,011.02, 4,145,611.95 and 1,987,835.34 is: 2,742,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,011.02 : 4,145,611.95 = 1,987,835.34 : x
  2. Step 2: Convert to fraction form
    3,005,011.02/4,145,611.95 = 1,987,835.34/x
  3. Step 3: Cross multiply
    3,005,011.02x = 4,145,611.95 × 1,987,835.34
  4. Step 4: Simplify right side
    3,005,011.02x = 8,240,793,940,136.31
  5. Step 5: Solve for x
    x = 8,240,793,940,136.31/3,005,011.02
  6. Step 6: Final answer
    x = 2,742,350.66

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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.