Home / 3,323,785.40-4,984,986.90-1,430,588.60

Finding the Fourth Proportional to 3,323,785.40, 4,984,986.90 and 1,430,588.60

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Solution

The fourth proportional to 3,323,785.40, 4,984,986.90 and 1,430,588.60 is: 2,145,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323,785.40 : 4,984,986.90 = 1,430,588.60 : x
  2. Step 2: Convert to fraction form
    3,323,785.40/4,984,986.90 = 1,430,588.60/x
  3. Step 3: Cross multiply
    3,323,785.40x = 4,984,986.90 × 1,430,588.60
  4. Step 4: Simplify right side
    3,323,785.40x = 7,131,465,430,289.34
  5. Step 5: Solve for x
    x = 7,131,465,430,289.34/3,323,785.40
  6. Step 6: Final answer
    x = 2,145,585.40

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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.