Home / 1,972,036.24-2,958,381.42-692,311.60

Finding the Fourth Proportional to 1,972,036.24, 2,958,381.42 and 692,311.60

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Solution

The fourth proportional to 1,972,036.24, 2,958,381.42 and 692,311.60 is: 1,038,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,036.24 : 2,958,381.42 = 692,311.60 : x
  2. Step 2: Convert to fraction form
    1,972,036.24/2,958,381.42 = 692,311.60/x
  3. Step 3: Cross multiply
    1,972,036.24x = 2,958,381.42 × 692,311.60
  4. Step 4: Simplify right side
    1,972,036.24x = 2,048,121,774,290.47
  5. Step 5: Solve for x
    x = 2,048,121,774,290.47/1,972,036.24
  6. Step 6: Final answer
    x = 1,038,582.22

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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.