Home / 3,178,531.51-4,768,383.71-1,048,762.87

Finding the Fourth Proportional to 3,178,531.51, 4,768,383.71 and 1,048,762.87

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Solution

The fourth proportional to 3,178,531.51, 4,768,383.71 and 1,048,762.87 is: 1,573,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,531.51 : 4,768,383.71 = 1,048,762.87 : x
  2. Step 2: Convert to fraction form
    3,178,531.51/4,768,383.71 = 1,048,762.87/x
  3. Step 3: Cross multiply
    3,178,531.51x = 4,768,383.71 × 1,048,762.87
  4. Step 4: Simplify right side
    3,178,531.51x = 5,000,903,784,960.85
  5. Step 5: Solve for x
    x = 5,000,903,784,960.85/3,178,531.51
  6. Step 6: Final answer
    x = 1,573,337.80

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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.