Home / 3,219,798.60-4,830,281.10-1,618,331.40

Finding the Fourth Proportional to 3,219,798.60, 4,830,281.10 and 1,618,331.40

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Solution

The fourth proportional to 3,219,798.60, 4,830,281.10 and 1,618,331.40 is: 2,427,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,798.60 : 4,830,281.10 = 1,618,331.40 : x
  2. Step 2: Convert to fraction form
    3,219,798.60/4,830,281.10 = 1,618,331.40/x
  3. Step 3: Cross multiply
    3,219,798.60x = 4,830,281.10 × 1,618,331.40
  4. Step 4: Simplify right side
    3,219,798.60x = 7,816,995,574,956.54
  5. Step 5: Solve for x
    x = 7,816,995,574,956.54/3,219,798.60
  6. Step 6: Final answer
    x = 2,427,790.23

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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.