Finding the Fourth Proportional to 1,547,728, 2,135,864.60 and 868,664.50
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Solution
The fourth proportional to 1,547,728, 2,135,864.60 and 868,664.50 is: 1,198,756.99
Step by Step Solution
- Step 1: Write the proportion equation
1,547,728 : 2,135,864.60 = 868,664.50 : x - Step 2: Convert to fraction form
1,547,728/2,135,864.60 = 868,664.50/x - Step 3: Cross multiply
1,547,728x = 2,135,864.60 × 868,664.50 - Step 4: Simplify right side
1,547,728x = 1,855,349,754,826.70 - Step 5: Solve for x
x = 1,855,349,754,826.70/1,547,728 - Step 6: Final answer
x = 1,198,756.99
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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.