Home / 4,680,901.80-7,021,352.70-1,315,108.80

Finding the Fourth Proportional to 4,680,901.80, 7,021,352.70 and 1,315,108.80

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Solution

The fourth proportional to 4,680,901.80, 7,021,352.70 and 1,315,108.80 is: 1,972,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,901.80 : 7,021,352.70 = 1,315,108.80 : x
  2. Step 2: Convert to fraction form
    4,680,901.80/7,021,352.70 = 1,315,108.80/x
  3. Step 3: Cross multiply
    4,680,901.80x = 7,021,352.70 × 1,315,108.80
  4. Step 4: Simplify right side
    4,680,901.80x = 9,233,842,723,673.76
  5. Step 5: Solve for x
    x = 9,233,842,723,673.76/4,680,901.80
  6. Step 6: Final answer
    x = 1,972,663.20

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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.