Home / 3,118,176-4,303,085.04-1,687,392

Finding the Fourth Proportional to 3,118,176, 4,303,085.04 and 1,687,392

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Solution

The fourth proportional to 3,118,176, 4,303,085.04 and 1,687,392 is: 2,328,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,176 : 4,303,085.04 = 1,687,392 : x
  2. Step 2: Convert to fraction form
    3,118,176/4,303,085.04 = 1,687,392/x
  3. Step 3: Cross multiply
    3,118,176x = 4,303,085.04 × 1,687,392
  4. Step 4: Simplify right side
    3,118,176x = 7,260,991,271,815.68
  5. Step 5: Solve for x
    x = 7,260,991,271,815.68/3,118,176
  6. Step 6: Final answer
    x = 2,328,602.13

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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.