Home / 2,168,465.60-3,255,808.80-1,639,697.60

Finding the Fourth Proportional to 2,168,465.60, 3,255,808.80 and 1,639,697.60

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Solution

The fourth proportional to 2,168,465.60, 3,255,808.80 and 1,639,697.60 is: 2,461,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,465.60 : 3,255,808.80 = 1,639,697.60 : x
  2. Step 2: Convert to fraction form
    2,168,465.60/3,255,808.80 = 1,639,697.60/x
  3. Step 3: Cross multiply
    2,168,465.60x = 3,255,808.80 × 1,639,697.60
  4. Step 4: Simplify right side
    2,168,465.60x = 5,338,541,875,418.88
  5. Step 5: Solve for x
    x = 5,338,541,875,418.88/2,168,465.60
  6. Step 6: Final answer
    x = 2,461,898.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.