Home / 1,787,511.63-2,466,782.10-971,716.89

Finding the Fourth Proportional to 1,787,511.63, 2,466,782.10 and 971,716.89

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Solution

The fourth proportional to 1,787,511.63, 2,466,782.10 and 971,716.89 is: 1,340,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,511.63 : 2,466,782.10 = 971,716.89 : x
  2. Step 2: Convert to fraction form
    1,787,511.63/2,466,782.10 = 971,716.89/x
  3. Step 3: Cross multiply
    1,787,511.63x = 2,466,782.10 × 971,716.89
  4. Step 4: Simplify right side
    1,787,511.63x = 2,397,013,830,519.67
  5. Step 5: Solve for x
    x = 2,397,013,830,519.67/1,787,511.63
  6. Step 6: Final answer
    x = 1,340,978.03

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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.