Finding the Fourth Proportional to 2,547,431.01, 3,515,454.66 and 1,401,486.75
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Solution
The fourth proportional to 2,547,431.01, 3,515,454.66 and 1,401,486.75 is: 1,934,051.64
Step by Step Solution
- Step 1: Write the proportion equation
2,547,431.01 : 3,515,454.66 = 1,401,486.75 : x - Step 2: Convert to fraction form
2,547,431.01/3,515,454.66 = 1,401,486.75/x - Step 3: Cross multiply
2,547,431.01x = 3,515,454.66 × 1,401,486.75 - Step 4: Simplify right side
2,547,431.01x = 4,926,863,126,215.76 - Step 5: Solve for x
x = 4,926,863,126,215.76/2,547,431.01 - Step 6: Final answer
x = 1,934,051.64
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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.