Finding the Fourth Proportional to 1,547,864.72, 2,135,936.12 and 868,670
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Solution
The fourth proportional to 1,547,864.72, 2,135,936.12 and 868,670 is: 1,198,698.83
Step by Step Solution
- Step 1: Write the proportion equation
1,547,864.72 : 2,135,936.12 = 868,670 : x - Step 2: Convert to fraction form
1,547,864.72/2,135,936.12 = 868,670/x - Step 3: Cross multiply
1,547,864.72x = 2,135,936.12 × 868,670 - Step 4: Simplify right side
1,547,864.72x = 1,855,423,629,360.40 - Step 5: Solve for x
x = 1,855,423,629,360.40/1,547,864.72 - Step 6: Final answer
x = 1,198,698.83
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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.