Home / 4,984,979.10-7,477,359.30-1,390,644.60

Finding the Fourth Proportional to 4,984,979.10, 7,477,359.30 and 1,390,644.60

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Solution

The fourth proportional to 4,984,979.10, 7,477,359.30 and 1,390,644.60 is: 2,085,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984,979.10 : 7,477,359.30 = 1,390,644.60 : x
  2. Step 2: Convert to fraction form
    4,984,979.10/7,477,359.30 = 1,390,644.60/x
  3. Step 3: Cross multiply
    4,984,979.10x = 7,477,359.30 × 1,390,644.60
  4. Step 4: Simplify right side
    4,984,979.10x = 10,398,349,332,804.78
  5. Step 5: Solve for x
    x = 10,398,349,332,804.78/4,984,979.10
  6. Step 6: Final answer
    x = 2,085,936.39

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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.