Home / 3,128,685-4,317,585.30-1,697,901

Finding the Fourth Proportional to 3,128,685, 4,317,585.30 and 1,697,901

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Solution

The fourth proportional to 3,128,685, 4,317,585.30 and 1,697,901 is: 2,343,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,685 : 4,317,585.30 = 1,697,901 : x
  2. Step 2: Convert to fraction form
    3,128,685/4,317,585.30 = 1,697,901/x
  3. Step 3: Cross multiply
    3,128,685x = 4,317,585.30 × 1,697,901
  4. Step 4: Simplify right side
    3,128,685x = 7,330,832,398,455.30
  5. Step 5: Solve for x
    x = 7,330,832,398,455.30/3,128,685
  6. Step 6: Final answer
    x = 2,343,103.38

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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.