Finding the Fourth Proportional to 5,488,808.20, 7,574,664.98 and 3,197,116.51
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Solution
The fourth proportional to 5,488,808.20, 7,574,664.98 and 3,197,116.51 is: 4,412,084.66
Step by Step Solution
- Step 1: Write the proportion equation
5,488,808.20 : 7,574,664.98 = 3,197,116.51 : x - Step 2: Convert to fraction form
5,488,808.20/7,574,664.98 = 3,197,116.51/x - Step 3: Cross multiply
5,488,808.20x = 7,574,664.98 × 3,197,116.51 - Step 4: Simplify right side
5,488,808.20x = 24,217,086,454,332.95 - Step 5: Solve for x
x = 24,217,086,454,332.95/5,488,808.20 - Step 6: Final answer
x = 4,412,084.66
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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.