Home / 1,971,254.30-2,720,315.09-1,144,404.58

Finding the Fourth Proportional to 1,971,254.30, 2,720,315.09 and 1,144,404.58

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Solution

The fourth proportional to 1,971,254.30, 2,720,315.09 and 1,144,404.58 is: 1,579,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,254.30 : 2,720,315.09 = 1,144,404.58 : x
  2. Step 2: Convert to fraction form
    1,971,254.30/2,720,315.09 = 1,144,404.58/x
  3. Step 3: Cross multiply
    1,971,254.30x = 2,720,315.09 × 1,144,404.58
  4. Step 4: Simplify right side
    1,971,254.30x = 3,113,141,044,099.34
  5. Step 5: Solve for x
    x = 3,113,141,044,099.34/1,971,254.30
  6. Step 6: Final answer
    x = 1,579,269.12

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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.