Finding the Fourth Proportional to 1,547,670.38, 2,135,785.12 and 868,606.88
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Solution
The fourth proportional to 1,547,670.38, 2,135,785.12 and 868,606.88 is: 1,198,677.49
Step by Step Solution
- Step 1: Write the proportion equation
1,547,670.38 : 2,135,785.12 = 868,606.88 : x - Step 2: Convert to fraction form
1,547,670.38/2,135,785.12 = 868,606.88/x - Step 3: Cross multiply
1,547,670.38x = 2,135,785.12 × 868,606.88 - Step 4: Simplify right side
1,547,670.38x = 1,855,157,636,583.18 - Step 5: Solve for x
x = 1,855,157,636,583.18/1,547,670.38 - Step 6: Final answer
x = 1,198,677.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.