Finding the Fourth Proportional to 5,406,197.76, 8,108,098.56 and 1,619,182.08
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Solution
The fourth proportional to 5,406,197.76, 8,108,098.56 and 1,619,182.08 is: 2,428,414.29
Step by Step Solution
- Step 1: Write the proportion equation
5,406,197.76 : 8,108,098.56 = 1,619,182.08 : x - Step 2: Convert to fraction form
5,406,197.76/8,108,098.56 = 1,619,182.08/x - Step 3: Cross multiply
5,406,197.76x = 8,108,098.56 × 1,619,182.08 - Step 4: Simplify right side
5,406,197.76x = 13,128,487,891,225.80 - Step 5: Solve for x
x = 13,128,487,891,225.80/5,406,197.76 - Step 6: Final answer
x = 2,428,414.29
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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.