Home / 3,615,401.92-4,989,252.72-1,983,820

Finding the Fourth Proportional to 3,615,401.92, 4,989,252.72 and 1,983,820

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Solution

The fourth proportional to 3,615,401.92, 4,989,252.72 and 1,983,820 is: 2,737,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,401.92 : 4,989,252.72 = 1,983,820 : x
  2. Step 2: Convert to fraction form
    3,615,401.92/4,989,252.72 = 1,983,820/x
  3. Step 3: Cross multiply
    3,615,401.92x = 4,989,252.72 × 1,983,820
  4. Step 4: Simplify right side
    3,615,401.92x = 9,897,779,330,990.40
  5. Step 5: Solve for x
    x = 9,897,779,330,990.40/3,615,401.92
  6. Step 6: Final answer
    x = 2,737,670.54

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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.