Finding the Fourth Proportional to 1,981,439.19, 2,971,221.98 and 767,584.35
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Solution
The fourth proportional to 1,981,439.19, 2,971,221.98 and 767,584.35 is: 1,151,013.62
Step by Step Solution
- Step 1: Write the proportion equation
1,981,439.19 : 2,971,221.98 = 767,584.35 : x - Step 2: Convert to fraction form
1,981,439.19/2,971,221.98 = 767,584.35/x - Step 3: Cross multiply
1,981,439.19x = 2,971,221.98 × 767,584.35 - Step 4: Simplify right side
1,981,439.19x = 2,280,663,488,386.09 - Step 5: Solve for x
x = 2,280,663,488,386.09/1,981,439.19 - Step 6: Final answer
x = 1,151,013.62
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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.