Home / 3,070,981.08-4,239,312.78-1,983,782.67

Finding the Fourth Proportional to 3,070,981.08, 4,239,312.78 and 1,983,782.67

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Solution

The fourth proportional to 3,070,981.08, 4,239,312.78 and 1,983,782.67 is: 2,738,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070,981.08 : 4,239,312.78 = 1,983,782.67 : x
  2. Step 2: Convert to fraction form
    3,070,981.08/4,239,312.78 = 1,983,782.67/x
  3. Step 3: Cross multiply
    3,070,981.08x = 4,239,312.78 × 1,983,782.67
  4. Step 4: Simplify right side
    3,070,981.08x = 8,409,875,225,673.52
  5. Step 5: Solve for x
    x = 8,409,875,225,673.52/3,070,981.08
  6. Step 6: Final answer
    x = 2,738,497.90

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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.