Finding the Fourth Proportional to 1,547,121.60, 2,135,064.63 and 868,108.32
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Solution
The fourth proportional to 1,547,121.60, 2,135,064.63 and 868,108.32 is: 1,198,010.14
Step by Step Solution
- Step 1: Write the proportion equation
1,547,121.60 : 2,135,064.63 = 868,108.32 : x - Step 2: Convert to fraction form
1,547,121.60/2,135,064.63 = 868,108.32/x - Step 3: Cross multiply
1,547,121.60x = 2,135,064.63 × 868,108.32 - Step 4: Simplify right side
1,547,121.60x = 1,853,467,354,024.86 - Step 5: Solve for x
x = 1,853,467,354,024.86/1,547,121.60 - Step 6: Final answer
x = 1,198,010.14
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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.