Home / 3,174,925.94-4,762,320.04-778,782.32

Finding the Fourth Proportional to 3,174,925.94, 4,762,320.04 and 778,782.32

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Solution

The fourth proportional to 3,174,925.94, 4,762,320.04 and 778,782.32 is: 1,168,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,925.94 : 4,762,320.04 = 778,782.32 : x
  2. Step 2: Convert to fraction form
    3,174,925.94/4,762,320.04 = 778,782.32/x
  3. Step 3: Cross multiply
    3,174,925.94x = 4,762,320.04 × 778,782.32
  4. Step 4: Simplify right side
    3,174,925.94x = 3,708,810,649,333.69
  5. Step 5: Solve for x
    x = 3,708,810,649,333.69/3,174,925.94
  6. Step 6: Final answer
    x = 1,168,156.59

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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.