Home / 2,574,355.80-3,859,784.10-976,679.40

Finding the Fourth Proportional to 2,574,355.80, 3,859,784.10 and 976,679.40

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Solution

The fourth proportional to 2,574,355.80, 3,859,784.10 and 976,679.40 is: 1,464,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,355.80 : 3,859,784.10 = 976,679.40 : x
  2. Step 2: Convert to fraction form
    2,574,355.80/3,859,784.10 = 976,679.40/x
  3. Step 3: Cross multiply
    2,574,355.80x = 3,859,784.10 × 976,679.40
  4. Step 4: Simplify right side
    2,574,355.80x = 3,769,771,618,917.54
  5. Step 5: Solve for x
    x = 3,769,771,618,917.54/2,574,355.80
  6. Step 6: Final answer
    x = 1,464,355.32

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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.