Finding the Fourth Proportional to 3,788,921.64, 5,679,552.84 and 1,631,354.04
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Solution
The fourth proportional to 3,788,921.64, 5,679,552.84 and 1,631,354.04 is: 2,445,382.18
Step by Step Solution
- Step 1: Write the proportion equation
3,788,921.64 : 5,679,552.84 = 1,631,354.04 : x - Step 2: Convert to fraction form
3,788,921.64/5,679,552.84 = 1,631,354.04/x - Step 3: Cross multiply
3,788,921.64x = 5,679,552.84 × 1,631,354.04 - Step 4: Simplify right side
3,788,921.64x = 9,265,361,470,927.47 - Step 5: Solve for x
x = 9,265,361,470,927.47/3,788,921.64 - Step 6: Final answer
x = 2,445,382.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.