Home / 3,615,605.49-4,989,521.77-1,984,040.13

Finding the Fourth Proportional to 3,615,605.49, 4,989,521.77 and 1,984,040.13

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Solution

The fourth proportional to 3,615,605.49, 4,989,521.77 and 1,984,040.13 is: 2,737,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,605.49 : 4,989,521.77 = 1,984,040.13 : x
  2. Step 2: Convert to fraction form
    3,615,605.49/4,989,521.77 = 1,984,040.13/x
  3. Step 3: Cross multiply
    3,615,605.49x = 4,989,521.77 × 1,984,040.13
  4. Step 4: Simplify right side
    3,615,605.49x = 9,899,411,421,188.63
  5. Step 5: Solve for x
    x = 9,899,411,421,188.63/3,615,605.49
  6. Step 6: Final answer
    x = 2,737,967.80

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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.