Home / 2,107,361.20-2,908,161.90-1,140,492.28

Finding the Fourth Proportional to 2,107,361.20, 2,908,161.90 and 1,140,492.28

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Solution

The fourth proportional to 2,107,361.20, 2,908,161.90 and 1,140,492.28 is: 1,573,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,361.20 : 2,908,161.90 = 1,140,492.28 : x
  2. Step 2: Convert to fraction form
    2,107,361.20/2,908,161.90 = 1,140,492.28/x
  3. Step 3: Cross multiply
    2,107,361.20x = 2,908,161.90 × 1,140,492.28
  4. Step 4: Simplify right side
    2,107,361.20x = 3,316,736,195,940.13
  5. Step 5: Solve for x
    x = 3,316,736,195,940.13/2,107,361.20
  6. Step 6: Final answer
    x = 1,573,881.21

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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.