Home / 2,153,297.76-3,230,405.90-1,074,390.45

Finding the Fourth Proportional to 2,153,297.76, 3,230,405.90 and 1,074,390.45

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Solution

The fourth proportional to 2,153,297.76, 3,230,405.90 and 1,074,390.45 is: 1,611,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,297.76 : 3,230,405.90 = 1,074,390.45 : x
  2. Step 2: Convert to fraction form
    2,153,297.76/3,230,405.90 = 1,074,390.45/x
  3. Step 3: Cross multiply
    2,153,297.76x = 3,230,405.90 × 1,074,390.45
  4. Step 4: Simplify right side
    2,153,297.76x = 3,470,717,235,117.60
  5. Step 5: Solve for x
    x = 3,470,717,235,117.60/2,153,297.76
  6. Step 6: Final answer
    x = 1,611,814.82

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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.