Home / 3,315,878.17-4,973,816.81-919,722.79

Finding the Fourth Proportional to 3,315,878.17, 4,973,816.81 and 919,722.79

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Solution

The fourth proportional to 3,315,878.17, 4,973,816.81 and 919,722.79 is: 1,379,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,878.17 : 4,973,816.81 = 919,722.79 : x
  2. Step 2: Convert to fraction form
    3,315,878.17/4,973,816.81 = 919,722.79/x
  3. Step 3: Cross multiply
    3,315,878.17x = 4,973,816.81 × 919,722.79
  4. Step 4: Simplify right side
    3,315,878.17x = 4,574,532,653,980.96
  5. Step 5: Solve for x
    x = 4,574,532,653,980.96/3,315,878.17
  6. Step 6: Final answer
    x = 1,379,584.06

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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.