Home / 2,429,171.40-3,641,424.30-1,889,128.20

Finding the Fourth Proportional to 2,429,171.40, 3,641,424.30 and 1,889,128.20

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Solution

The fourth proportional to 2,429,171.40, 3,641,424.30 and 1,889,128.20 is: 2,831,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429,171.40 : 3,641,424.30 = 1,889,128.20 : x
  2. Step 2: Convert to fraction form
    2,429,171.40/3,641,424.30 = 1,889,128.20/x
  3. Step 3: Cross multiply
    2,429,171.40x = 3,641,424.30 × 1,889,128.20
  4. Step 4: Simplify right side
    2,429,171.40x = 6,879,117,333,295.26
  5. Step 5: Solve for x
    x = 6,879,117,333,295.26/2,429,171.40
  6. Step 6: Final answer
    x = 2,831,878.12

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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.