Home / 1,808,749.20-2,713,123.80-1,646,036.40

Finding the Fourth Proportional to 1,808,749.20, 2,713,123.80 and 1,646,036.40

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Solution

The fourth proportional to 1,808,749.20, 2,713,123.80 and 1,646,036.40 is: 2,469,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,749.20 : 2,713,123.80 = 1,646,036.40 : x
  2. Step 2: Convert to fraction form
    1,808,749.20/2,713,123.80 = 1,646,036.40/x
  3. Step 3: Cross multiply
    1,808,749.20x = 2,713,123.80 × 1,646,036.40
  4. Step 4: Simplify right side
    1,808,749.20x = 4,465,900,532,506.32
  5. Step 5: Solve for x
    x = 4,465,900,532,506.32/1,808,749.20
  6. Step 6: Final answer
    x = 2,469,054.60

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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.