Finding the Fourth Proportional to 1,547,855.29, 2,135,968.40 and 859,570.75
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Solution
The fourth proportional to 1,547,855.29, 2,135,968.40 and 859,570.75 is: 1,186,167.71
Step by Step Solution
- Step 1: Write the proportion equation
1,547,855.29 : 2,135,968.40 = 859,570.75 : x - Step 2: Convert to fraction form
1,547,855.29/2,135,968.40 = 859,570.75/x - Step 3: Cross multiply
1,547,855.29x = 2,135,968.40 × 859,570.75 - Step 4: Simplify right side
1,547,855.29x = 1,836,015,959,564.30 - Step 5: Solve for x
x = 1,836,015,959,564.30/1,547,855.29 - Step 6: Final answer
x = 1,186,167.71
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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.