Finding the Fourth Proportional to 1,547,861.72, 2,135,931.99 and 868,667
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Solution
The fourth proportional to 1,547,861.72, 2,135,931.99 and 868,667 is: 1,198,694.70
Step by Step Solution
- Step 1: Write the proportion equation
1,547,861.72 : 2,135,931.99 = 868,667 : x - Step 2: Convert to fraction form
1,547,861.72/2,135,931.99 = 868,667/x - Step 3: Cross multiply
1,547,861.72x = 2,135,931.99 × 868,667 - Step 4: Simplify right side
1,547,861.72x = 1,855,413,633,957.33 - Step 5: Solve for x
x = 1,855,413,633,957.33/1,547,861.72 - Step 6: Final answer
x = 1,198,694.70
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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.