Finding the Fourth Proportional to 5,146,312.32, 7,101,859.68 and 2,854,414.08
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Solution
The fourth proportional to 5,146,312.32, 7,101,859.68 and 2,854,414.08 is: 3,939,062.96
Step by Step Solution
- Step 1: Write the proportion equation
5,146,312.32 : 7,101,859.68 = 2,854,414.08 : x - Step 2: Convert to fraction form
5,146,312.32/7,101,859.68 = 2,854,414.08/x - Step 3: Cross multiply
5,146,312.32x = 7,101,859.68 × 2,854,414.08 - Step 4: Simplify right side
5,146,312.32x = 20,271,648,264,776.29 - Step 5: Solve for x
x = 20,271,648,264,776.29/5,146,312.32 - Step 6: Final answer
x = 3,939,062.96
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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.