Home / 1,912,038.76-2,868,038.62-492,089.32

Finding the Fourth Proportional to 1,912,038.76, 2,868,038.62 and 492,089.32

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Solution

The fourth proportional to 1,912,038.76, 2,868,038.62 and 492,089.32 is: 738,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,038.76 : 2,868,038.62 = 492,089.32 : x
  2. Step 2: Convert to fraction form
    1,912,038.76/2,868,038.62 = 492,089.32/x
  3. Step 3: Cross multiply
    1,912,038.76x = 2,868,038.62 × 492,089.32
  4. Step 4: Simplify right side
    1,912,038.76x = 1,411,331,174,249.54
  5. Step 5: Solve for x
    x = 1,411,331,174,249.54/1,912,038.76
  6. Step 6: Final answer
    x = 738,128.96

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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.