Finding the Fourth Proportional to 1,547,567.67, 2,135,840.40 and 868,504.17
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Solution
The fourth proportional to 1,547,567.67, 2,135,840.40 and 868,504.17 is: 1,198,646.32
Step by Step Solution
- Step 1: Write the proportion equation
1,547,567.67 : 2,135,840.40 = 868,504.17 : x - Step 2: Convert to fraction form
1,547,567.67/2,135,840.40 = 868,504.17/x - Step 3: Cross multiply
1,547,567.67x = 2,135,840.40 × 868,504.17 - Step 4: Simplify right side
1,547,567.67x = 1,854,986,293,854.47 - Step 5: Solve for x
x = 1,854,986,293,854.47/1,547,567.67 - Step 6: Final answer
x = 1,198,646.32
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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.