Finding the Fourth Proportional to 1,547,662.79, 2,135,670.54 and 859,299.08
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Solution
The fourth proportional to 1,547,662.79, 2,135,670.54 and 859,299.08 is: 1,185,774.93
Step by Step Solution
- Step 1: Write the proportion equation
1,547,662.79 : 2,135,670.54 = 859,299.08 : x - Step 2: Convert to fraction form
1,547,662.79/2,135,670.54 = 859,299.08/x - Step 3: Cross multiply
1,547,662.79x = 2,135,670.54 × 859,299.08 - Step 4: Simplify right side
1,547,662.79x = 1,835,179,730,205.10 - Step 5: Solve for x
x = 1,835,179,730,205.10/1,547,662.79 - Step 6: Final answer
x = 1,185,774.93
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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.