Home / 2,696,811.20-4,045,216.80-2,426,206.40

Finding the Fourth Proportional to 2,696,811.20, 4,045,216.80 and 2,426,206.40

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Solution

The fourth proportional to 2,696,811.20, 4,045,216.80 and 2,426,206.40 is: 3,639,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,811.20 : 4,045,216.80 = 2,426,206.40 : x
  2. Step 2: Convert to fraction form
    2,696,811.20/4,045,216.80 = 2,426,206.40/x
  3. Step 3: Cross multiply
    2,696,811.20x = 4,045,216.80 × 2,426,206.40
  4. Step 4: Simplify right side
    2,696,811.20x = 9,814,530,889,547.52
  5. Step 5: Solve for x
    x = 9,814,530,889,547.52/2,696,811.20
  6. Step 6: Final answer
    x = 3,639,309.60

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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.