Finding the Fourth Proportional to 1,547,717.98, 2,311,154.61 and 1,263,971.42
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Solution
The fourth proportional to 1,547,717.98, 2,311,154.61 and 1,263,971.42 is: 1,887,445.52
Step by Step Solution
- Step 1: Write the proportion equation
1,547,717.98 : 2,311,154.61 = 1,263,971.42 : x - Step 2: Convert to fraction form
1,547,717.98/2,311,154.61 = 1,263,971.42/x - Step 3: Cross multiply
1,547,717.98x = 2,311,154.61 × 1,263,971.42 - Step 4: Simplify right side
1,547,717.98x = 2,921,233,374,241.25 - Step 5: Solve for x
x = 2,921,233,374,241.25/1,547,717.98 - Step 6: Final answer
x = 1,887,445.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.