Home / 1,690,647.39-2,333,445.98-1,554,466.14

Finding the Fourth Proportional to 1,690,647.39, 2,333,445.98 and 1,554,466.14

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Solution

The fourth proportional to 1,690,647.39, 2,333,445.98 and 1,554,466.14 is: 2,145,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,647.39 : 2,333,445.98 = 1,554,466.14 : x
  2. Step 2: Convert to fraction form
    1,690,647.39/2,333,445.98 = 1,554,466.14/x
  3. Step 3: Cross multiply
    1,690,647.39x = 2,333,445.98 × 1,554,466.14
  4. Step 4: Simplify right side
    1,690,647.39x = 3,627,262,757,656.79
  5. Step 5: Solve for x
    x = 3,627,262,757,656.79/1,690,647.39
  6. Step 6: Final answer
    x = 2,145,487.45

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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.