Home / 1,600,135.90-2,208,006.14-946,781.98

Finding the Fourth Proportional to 1,600,135.90, 2,208,006.14 and 946,781.98

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Solution

The fourth proportional to 1,600,135.90, 2,208,006.14 and 946,781.98 is: 1,306,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,135.90 : 2,208,006.14 = 946,781.98 : x
  2. Step 2: Convert to fraction form
    1,600,135.90/2,208,006.14 = 946,781.98/x
  3. Step 3: Cross multiply
    1,600,135.90x = 2,208,006.14 × 946,781.98
  4. Step 4: Simplify right side
    1,600,135.90x = 2,090,500,425,081.36
  5. Step 5: Solve for x
    x = 2,090,500,425,081.36/1,600,135.90
  6. Step 6: Final answer
    x = 1,306,451.80

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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.