Finding the Fourth Proportional to 4,526,990.84, 6,791,564.88 and 1,332,221.24
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Solution
The fourth proportional to 4,526,990.84, 6,791,564.88 and 1,332,221.24 is: 1,998,649.28
Step by Step Solution
- Step 1: Write the proportion equation
4,526,990.84 : 6,791,564.88 = 1,332,221.24 : x - Step 2: Convert to fraction form
4,526,990.84/6,791,564.88 = 1,332,221.24/x - Step 3: Cross multiply
4,526,990.84x = 6,791,564.88 × 1,332,221.24 - Step 4: Simplify right side
4,526,990.84x = 9,047,866,985,974.05 - Step 5: Solve for x
x = 9,047,866,985,974.05/4,526,990.84 - Step 6: Final answer
x = 1,998,649.28
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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.