Home / 4,657,663.80-6,986,495.70-2,763,430.20

Finding the Fourth Proportional to 4,657,663.80, 6,986,495.70 and 2,763,430.20

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Solution

The fourth proportional to 4,657,663.80, 6,986,495.70 and 2,763,430.20 is: 4,145,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657,663.80 : 6,986,495.70 = 2,763,430.20 : x
  2. Step 2: Convert to fraction form
    4,657,663.80/6,986,495.70 = 2,763,430.20/x
  3. Step 3: Cross multiply
    4,657,663.80x = 6,986,495.70 × 2,763,430.20
  4. Step 4: Simplify right side
    4,657,663.80x = 19,306,693,209,550.14
  5. Step 5: Solve for x
    x = 19,306,693,209,550.14/4,657,663.80
  6. Step 6: Final answer
    x = 4,145,145.30

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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.