Home / 4,980,938.67-7,470,664.43-1,386,330.80

Finding the Fourth Proportional to 4,980,938.67, 7,470,664.43 and 1,386,330.80

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Solution

The fourth proportional to 4,980,938.67, 7,470,664.43 and 1,386,330.80 is: 2,079,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980,938.67 : 7,470,664.43 = 1,386,330.80 : x
  2. Step 2: Convert to fraction form
    4,980,938.67/7,470,664.43 = 1,386,330.80/x
  3. Step 3: Cross multiply
    4,980,938.67x = 7,470,664.43 × 1,386,330.80
  4. Step 4: Simplify right side
    4,980,938.67x = 10,356,812,151,488.47
  5. Step 5: Solve for x
    x = 10,356,812,151,488.47/4,980,938.67
  6. Step 6: Final answer
    x = 2,079,289.23

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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.