Finding the Fourth Proportional to 6,517,862.30, 9,781,459.05 and 3,674,956.70
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Solution
The fourth proportional to 6,517,862.30, 9,781,459.05 and 3,674,956.70 is: 5,515,065.65
Step by Step Solution
- Step 1: Write the proportion equation
6,517,862.30 : 9,781,459.05 = 3,674,956.70 : x - Step 2: Convert to fraction form
6,517,862.30/9,781,459.05 = 3,674,956.70/x - Step 3: Cross multiply
6,517,862.30x = 9,781,459.05 × 3,674,956.70 - Step 4: Simplify right side
6,517,862.30x = 35,946,438,471,573.14 - Step 5: Solve for x
x = 35,946,438,471,573.14/6,517,862.30 - Step 6: Final answer
x = 5,515,065.65
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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.