Finding the Fourth Proportional to 1,767,864.42, 2,439,538.02 and 1,042,545.87
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Solution
The fourth proportional to 1,767,864.42, 2,439,538.02 and 1,042,545.87 is: 1,438,645.55
Step by Step Solution
- Step 1: Write the proportion equation
1,767,864.42 : 2,439,538.02 = 1,042,545.87 : x - Step 2: Convert to fraction form
1,767,864.42/2,439,538.02 = 1,042,545.87/x - Step 3: Cross multiply
1,767,864.42x = 2,439,538.02 × 1,042,545.87 - Step 4: Simplify right side
1,767,864.42x = 2,543,330,287,458.98 - Step 5: Solve for x
x = 2,543,330,287,458.98/1,767,864.42 - Step 6: Final answer
x = 1,438,645.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.