Finding the Fourth Proportional to 2,220,226.97, 3,063,913.16 and 1,201,631.72
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Solution
The fourth proportional to 2,220,226.97, 3,063,913.16 and 1,201,631.72 is: 1,658,251.74
Step by Step Solution
- Step 1: Write the proportion equation
2,220,226.97 : 3,063,913.16 = 1,201,631.72 : x - Step 2: Convert to fraction form
2,220,226.97/3,063,913.16 = 1,201,631.72/x - Step 3: Cross multiply
2,220,226.97x = 3,063,913.16 × 1,201,631.72 - Step 4: Simplify right side
2,220,226.97x = 3,681,695,219,053.71 - Step 5: Solve for x
x = 3,681,695,219,053.71/2,220,226.97 - Step 6: Final answer
x = 1,658,251.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.