Home / 4,678,803.40-7,018,205.10-1,313,010.40

Finding the Fourth Proportional to 4,678,803.40, 7,018,205.10 and 1,313,010.40

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Solution

The fourth proportional to 4,678,803.40, 7,018,205.10 and 1,313,010.40 is: 1,969,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,803.40 : 7,018,205.10 = 1,313,010.40 : x
  2. Step 2: Convert to fraction form
    4,678,803.40/7,018,205.10 = 1,313,010.40/x
  3. Step 3: Cross multiply
    4,678,803.40x = 7,018,205.10 × 1,313,010.40
  4. Step 4: Simplify right side
    4,678,803.40x = 9,214,976,285,633.04
  5. Step 5: Solve for x
    x = 9,214,976,285,633.04/4,678,803.40
  6. Step 6: Final answer
    x = 1,969,515.60

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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.