Finding the Fourth Proportional to 6,656,691.60, 9,986,394.06 and 3,011,670.68
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Solution
The fourth proportional to 6,656,691.60, 9,986,394.06 and 3,011,670.68 is: 4,518,119.80
Step by Step Solution
- Step 1: Write the proportion equation
6,656,691.60 : 9,986,394.06 = 3,011,670.68 : x - Step 2: Convert to fraction form
6,656,691.60/9,986,394.06 = 3,011,670.68/x - Step 3: Cross multiply
6,656,691.60x = 9,986,394.06 × 3,011,670.68 - Step 4: Simplify right side
6,656,691.60x = 30,075,730,139,496.19 - Step 5: Solve for x
x = 30,075,730,139,496.19/6,656,691.60 - Step 6: Final answer
x = 4,518,119.80
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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.