Finding the Fourth Proportional to 6,434,508.47, 9,648,816.05 and 3,841,990.14
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Solution
The fourth proportional to 6,434,508.47, 9,648,816.05 and 3,841,990.14 is: 5,761,225.80
Step by Step Solution
- Step 1: Write the proportion equation
6,434,508.47 : 9,648,816.05 = 3,841,990.14 : x - Step 2: Convert to fraction form
6,434,508.47/9,648,816.05 = 3,841,990.14/x - Step 3: Cross multiply
6,434,508.47x = 9,648,816.05 × 3,841,990.14 - Step 4: Simplify right side
6,434,508.47x = 37,070,656,172,561.78 - Step 5: Solve for x
x = 37,070,656,172,561.78/6,434,508.47 - Step 6: Final answer
x = 5,761,225.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.