Home / 2,926,934.84-4,390,402.26-1,929,429.56

Finding the Fourth Proportional to 2,926,934.84, 4,390,402.26 and 1,929,429.56

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Solution

The fourth proportional to 2,926,934.84, 4,390,402.26 and 1,929,429.56 is: 2,894,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,934.84 : 4,390,402.26 = 1,929,429.56 : x
  2. Step 2: Convert to fraction form
    2,926,934.84/4,390,402.26 = 1,929,429.56/x
  3. Step 3: Cross multiply
    2,926,934.84x = 4,390,402.26 × 1,929,429.56
  4. Step 4: Simplify right side
    2,926,934.84x = 8,470,971,900,734.81
  5. Step 5: Solve for x
    x = 8,470,971,900,734.81/2,926,934.84
  6. Step 6: Final answer
    x = 2,894,144.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.