Finding the Fourth Proportional to 1,845,621.21, 2,547,018.36 and 1,071,193.98
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Solution
The fourth proportional to 1,845,621.21, 2,547,018.36 and 1,071,193.98 is: 1,478,283.15
Step by Step Solution
- Step 1: Write the proportion equation
1,845,621.21 : 2,547,018.36 = 1,071,193.98 : x - Step 2: Convert to fraction form
1,845,621.21/2,547,018.36 = 1,071,193.98/x - Step 3: Cross multiply
1,845,621.21x = 2,547,018.36 × 1,071,193.98 - Step 4: Simplify right side
1,845,621.21x = 2,728,350,734,181.47 - Step 5: Solve for x
x = 2,728,350,734,181.47/1,845,621.21 - Step 6: Final answer
x = 1,478,283.15
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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.