Finding the Fourth Proportional to 3,572,547.76, 4,930,171.86 and 1,940,987.44
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Solution
The fourth proportional to 3,572,547.76, 4,930,171.86 and 1,940,987.44 is: 2,678,593.07
Step by Step Solution
- Step 1: Write the proportion equation
3,572,547.76 : 4,930,171.86 = 1,940,987.44 : x - Step 2: Convert to fraction form
3,572,547.76/4,930,171.86 = 1,940,987.44/x - Step 3: Cross multiply
3,572,547.76x = 4,930,171.86 × 1,940,987.44 - Step 4: Simplify right side
3,572,547.76x = 9,569,401,657,301.44 - Step 5: Solve for x
x = 9,569,401,657,301.44/3,572,547.76 - Step 6: Final answer
x = 2,678,593.07
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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.