Finding the Fourth Proportional to 1,547,429.22, 2,135,605.77 and 868,368.42
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Solution
The fourth proportional to 1,547,429.22, 2,135,605.77 and 868,368.42 is: 1,198,434.53
Step by Step Solution
- Step 1: Write the proportion equation
1,547,429.22 : 2,135,605.77 = 868,368.42 : x - Step 2: Convert to fraction form
1,547,429.22/2,135,605.77 = 868,368.42/x - Step 3: Cross multiply
1,547,429.22x = 2,135,605.77 × 868,368.42 - Step 4: Simplify right side
1,547,429.22x = 1,854,492,608,237.78 - Step 5: Solve for x
x = 1,854,492,608,237.78/1,547,429.22 - Step 6: Final answer
x = 1,198,434.53
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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.