Home / 2,043,916.80-3,065,875.20-978,410.40

Finding the Fourth Proportional to 2,043,916.80, 3,065,875.20 and 978,410.40

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Solution

The fourth proportional to 2,043,916.80, 3,065,875.20 and 978,410.40 is: 1,467,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,916.80 : 3,065,875.20 = 978,410.40 : x
  2. Step 2: Convert to fraction form
    2,043,916.80/3,065,875.20 = 978,410.40/x
  3. Step 3: Cross multiply
    2,043,916.80x = 3,065,875.20 × 978,410.40
  4. Step 4: Simplify right side
    2,043,916.80x = 2,999,684,180,782.08
  5. Step 5: Solve for x
    x = 2,999,684,180,782.08/2,043,916.80
  6. Step 6: Final answer
    x = 1,467,615.60

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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.