Home / 2,872,838.06-4,308,905.93-742,743.80

Finding the Fourth Proportional to 2,872,838.06, 4,308,905.93 and 742,743.80

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Solution

The fourth proportional to 2,872,838.06, 4,308,905.93 and 742,743.80 is: 1,114,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,838.06 : 4,308,905.93 = 742,743.80 : x
  2. Step 2: Convert to fraction form
    2,872,838.06/4,308,905.93 = 742,743.80/x
  3. Step 3: Cross multiply
    2,872,838.06x = 4,308,905.93 × 742,743.80
  4. Step 4: Simplify right side
    2,872,838.06x = 3,200,413,164,290.73
  5. Step 5: Solve for x
    x = 3,200,413,164,290.73/2,872,838.06
  6. Step 6: Final answer
    x = 1,114,024.91

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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.