Home / 3,132,612.69-4,698,923.13-858,157.32

Finding the Fourth Proportional to 3,132,612.69, 4,698,923.13 and 858,157.32

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Solution

The fourth proportional to 3,132,612.69, 4,698,923.13 and 858,157.32 is: 1,287,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,612.69 : 4,698,923.13 = 858,157.32 : x
  2. Step 2: Convert to fraction form
    3,132,612.69/4,698,923.13 = 858,157.32/x
  3. Step 3: Cross multiply
    3,132,612.69x = 4,698,923.13 × 858,157.32
  4. Step 4: Simplify right side
    3,132,612.69x = 4,032,415,280,126.81
  5. Step 5: Solve for x
    x = 4,032,415,280,126.81/3,132,612.69
  6. Step 6: Final answer
    x = 1,287,237.10

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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.