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Finding the Fourth Proportional to 6,492,271.53, 8,958,555.84 and 3,739,859.13

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Solution

The fourth proportional to 6,492,271.53, 8,958,555.84 and 3,739,859.13 is: 5,160,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492,271.53 : 8,958,555.84 = 3,739,859.13 : x
  2. Step 2: Convert to fraction form
    6,492,271.53/8,958,555.84 = 3,739,859.13/x
  3. Step 3: Cross multiply
    6,492,271.53x = 8,958,555.84 × 3,739,859.13
  4. Step 4: Simplify right side
    6,492,271.53x = 33,503,736,849,838.82
  5. Step 5: Solve for x
    x = 33,503,736,849,838.82/6,492,271.53
  6. Step 6: Final answer
    x = 5,160,556.93

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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.