Home / 2,666,812.84-3,680,211.41-1,443,118.23

Finding the Fourth Proportional to 2,666,812.84, 3,680,211.41 and 1,443,118.23

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Solution

The fourth proportional to 2,666,812.84, 3,680,211.41 and 1,443,118.23 is: 1,991,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,812.84 : 3,680,211.41 = 1,443,118.23 : x
  2. Step 2: Convert to fraction form
    2,666,812.84/3,680,211.41 = 1,443,118.23/x
  3. Step 3: Cross multiply
    2,666,812.84x = 3,680,211.41 × 1,443,118.23
  4. Step 4: Simplify right side
    2,666,812.84x = 5,310,980,168,809.41
  5. Step 5: Solve for x
    x = 5,310,980,168,809.41/2,666,812.84
  6. Step 6: Final answer
    x = 1,991,508.40

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1.5x scale

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.