Finding the Fourth Proportional to 4,834,778.99, 7,251,380.06 and 1,422,267.40
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Solution
The fourth proportional to 4,834,778.99, 7,251,380.06 and 1,422,267.40 is: 2,133,169.17
Step by Step Solution
- Step 1: Write the proportion equation
4,834,778.99 : 7,251,380.06 = 1,422,267.40 : x - Step 2: Convert to fraction form
4,834,778.99/7,251,380.06 = 1,422,267.40/x - Step 3: Cross multiply
4,834,778.99x = 7,251,380.06 × 1,422,267.40 - Step 4: Simplify right side
4,834,778.99x = 10,313,401,464,348.04 - Step 5: Solve for x
x = 10,313,401,464,348.04/4,834,778.99 - Step 6: Final answer
x = 2,133,169.17
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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.