Home / 3,415,089.79-4,712,822.35-1,887,183.55

Finding the Fourth Proportional to 3,415,089.79, 4,712,822.35 and 1,887,183.55

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Solution

The fourth proportional to 3,415,089.79, 4,712,822.35 and 1,887,183.55 is: 2,604,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,089.79 : 4,712,822.35 = 1,887,183.55 : x
  2. Step 2: Convert to fraction form
    3,415,089.79/4,712,822.35 = 1,887,183.55/x
  3. Step 3: Cross multiply
    3,415,089.79x = 4,712,822.35 × 1,887,183.55
  4. Step 4: Simplify right side
    3,415,089.79x = 8,893,960,812,992.34
  5. Step 5: Solve for x
    x = 8,893,960,812,992.34/3,415,089.79
  6. Step 6: Final answer
    x = 2,604,312.44

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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.