Home / 3,219,246.40-4,828,869.60-2,855,329.60

Finding the Fourth Proportional to 3,219,246.40, 4,828,869.60 and 2,855,329.60

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Solution

The fourth proportional to 3,219,246.40, 4,828,869.60 and 2,855,329.60 is: 4,282,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,246.40 : 4,828,869.60 = 2,855,329.60 : x
  2. Step 2: Convert to fraction form
    3,219,246.40/4,828,869.60 = 2,855,329.60/x
  3. Step 3: Cross multiply
    3,219,246.40x = 4,828,869.60 × 2,855,329.60
  4. Step 4: Simplify right side
    3,219,246.40x = 13,788,014,303,420.16
  5. Step 5: Solve for x
    x = 13,788,014,303,420.16/3,219,246.40
  6. Step 6: Final answer
    x = 4,282,994.40

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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.