Home / 2,097,408.80-2,894,822.10-1,312,838.77

Finding the Fourth Proportional to 2,097,408.80, 2,894,822.10 and 1,312,838.77

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Solution

The fourth proportional to 2,097,408.80, 2,894,822.10 and 1,312,838.77 is: 1,811,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,408.80 : 2,894,822.10 = 1,312,838.77 : x
  2. Step 2: Convert to fraction form
    2,097,408.80/2,894,822.10 = 1,312,838.77/x
  3. Step 3: Cross multiply
    2,097,408.80x = 2,894,822.10 × 1,312,838.77
  4. Step 4: Simplify right side
    2,097,408.80x = 3,800,434,685,132.82
  5. Step 5: Solve for x
    x = 3,800,434,685,132.82/2,097,408.80
  6. Step 6: Final answer
    x = 1,811,966.60

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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.