Home / 3,129,130.18-4,317,706.39-1,822,597.24

Finding the Fourth Proportional to 3,129,130.18, 4,317,706.39 and 1,822,597.24

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Solution

The fourth proportional to 3,129,130.18, 4,317,706.39 and 1,822,597.24 is: 2,514,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,130.18 : 4,317,706.39 = 1,822,597.24 : x
  2. Step 2: Convert to fraction form
    3,129,130.18/4,317,706.39 = 1,822,597.24/x
  3. Step 3: Cross multiply
    3,129,130.18x = 4,317,706.39 × 1,822,597.24
  4. Step 4: Simplify right side
    3,129,130.18x = 7,869,439,749,544.36
  5. Step 5: Solve for x
    x = 7,869,439,749,544.36/3,129,130.18
  6. Step 6: Final answer
    x = 2,514,896.89

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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.