Finding the Fourth Proportional to 1,547,658.53, 2,135,664.68 and 859,294.81
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Solution
The fourth proportional to 1,547,658.53, 2,135,664.68 and 859,294.81 is: 1,185,769.04
Step by Step Solution
- Step 1: Write the proportion equation
1,547,658.53 : 2,135,664.68 = 859,294.81 : x - Step 2: Convert to fraction form
1,547,658.53/2,135,664.68 = 859,294.81/x - Step 3: Cross multiply
1,547,658.53x = 2,135,664.68 × 859,294.81 - Step 4: Simplify right side
1,547,658.53x = 1,835,165,573,797.42 - Step 5: Solve for x
x = 1,835,165,573,797.42/1,547,658.53 - Step 6: Final answer
x = 1,185,769.04
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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.