Home / 3,219,916.60-4,830,458.10-1,618,449.40

Finding the Fourth Proportional to 3,219,916.60, 4,830,458.10 and 1,618,449.40

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Solution

The fourth proportional to 3,219,916.60, 4,830,458.10 and 1,618,449.40 is: 2,427,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,916.60 : 4,830,458.10 = 1,618,449.40 : x
  2. Step 2: Convert to fraction form
    3,219,916.60/4,830,458.10 = 1,618,449.40/x
  3. Step 3: Cross multiply
    3,219,916.60x = 4,830,458.10 × 1,618,449.40
  4. Step 4: Simplify right side
    3,219,916.60x = 7,817,852,013,670.14
  5. Step 5: Solve for x
    x = 7,817,852,013,670.14/3,219,916.60
  6. Step 6: Final answer
    x = 2,427,967.24

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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.