Finding the Fourth Proportional to 1,547,241.76, 2,310,273.68 and 1,386,278.56
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Solution
The fourth proportional to 1,547,241.76, 2,310,273.68 and 1,386,278.56 is: 2,069,930.47
Step by Step Solution
- Step 1: Write the proportion equation
1,547,241.76 : 2,310,273.68 = 1,386,278.56 : x - Step 2: Convert to fraction form
1,547,241.76/2,310,273.68 = 1,386,278.56/x - Step 3: Cross multiply
1,547,241.76x = 2,310,273.68 × 1,386,278.56 - Step 4: Simplify right side
1,547,241.76x = 3,202,682,870,316.30 - Step 5: Solve for x
x = 3,202,682,870,316.30/1,547,241.76 - Step 6: Final answer
x = 2,069,930.47
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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.