Finding the Fourth Proportional to 1,547,853.29, 2,135,965.64 and 859,568.75
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Solution
The fourth proportional to 1,547,853.29, 2,135,965.64 and 859,568.75 is: 1,186,164.95
Step by Step Solution
- Step 1: Write the proportion equation
1,547,853.29 : 2,135,965.64 = 859,568.75 : x - Step 2: Convert to fraction form
1,547,853.29/2,135,965.64 = 859,568.75/x - Step 3: Cross multiply
1,547,853.29x = 2,135,965.64 × 859,568.75 - Step 4: Simplify right side
1,547,853.29x = 1,836,009,315,217.75 - Step 5: Solve for x
x = 1,836,009,315,217.75/1,547,853.29 - Step 6: Final answer
x = 1,186,164.95
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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.