Finding the Fourth Proportional to 5,454,988.50, 8,182,810.80 and 1,668,504.18
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Solution
The fourth proportional to 5,454,988.50, 8,182,810.80 and 1,668,504.18 is: 2,502,856.61
Step by Step Solution
- Step 1: Write the proportion equation
5,454,988.50 : 8,182,810.80 = 1,668,504.18 : x - Step 2: Convert to fraction form
5,454,988.50/8,182,810.80 = 1,668,504.18/x - Step 3: Cross multiply
5,454,988.50x = 8,182,810.80 × 1,668,504.18 - Step 4: Simplify right side
5,454,988.50x = 13,653,054,023,949.14 - Step 5: Solve for x
x = 13,653,054,023,949.14/5,454,988.50 - Step 6: Final answer
x = 2,502,856.61
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1.5x scale
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.