Home / 1,611,981.36-2,225,080.53-1,000,492.07

Finding the Fourth Proportional to 1,611,981.36, 2,225,080.53 and 1,000,492.07

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Solution

The fourth proportional to 1,611,981.36, 2,225,080.53 and 1,000,492.07 is: 1,381,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,981.36 : 2,225,080.53 = 1,000,492.07 : x
  2. Step 2: Convert to fraction form
    1,611,981.36/2,225,080.53 = 1,000,492.07/x
  3. Step 3: Cross multiply
    1,611,981.36x = 2,225,080.53 × 1,000,492.07
  4. Step 4: Simplify right side
    1,611,981.36x = 2,226,175,414,250.99
  5. Step 5: Solve for x
    x = 2,226,175,414,250.99/1,611,981.36
  6. Step 6: Final answer
    x = 1,381,018.09

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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.