Finding the Fourth Proportional to 6,605,402.82, 9,115,488.18 and 3,704,948.70
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Solution
The fourth proportional to 6,605,402.82, 9,115,488.18 and 3,704,948.70 is: 5,112,847.32
Step by Step Solution
- Step 1: Write the proportion equation
6,605,402.82 : 9,115,488.18 = 3,704,948.70 : x - Step 2: Convert to fraction form
6,605,402.82/9,115,488.18 = 3,704,948.70/x - Step 3: Cross multiply
6,605,402.82x = 9,115,488.18 × 3,704,948.70 - Step 4: Simplify right side
6,605,402.82x = 33,772,416,082,356.37 - Step 5: Solve for x
x = 33,772,416,082,356.37/6,605,402.82 - Step 6: Final answer
x = 5,112,847.32
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1.5x scale
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.