Finding the Fourth Proportional to 2,609,851.74, 3,913,621.62 and 1,395,134.13
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Solution
The fourth proportional to 2,609,851.74, 3,913,621.62 and 1,395,134.13 is: 2,092,083.24
Step by Step Solution
- Step 1: Write the proportion equation
2,609,851.74 : 3,913,621.62 = 1,395,134.13 : x - Step 2: Convert to fraction form
2,609,851.74/3,913,621.62 = 1,395,134.13/x - Step 3: Cross multiply
2,609,851.74x = 3,913,621.62 × 1,395,134.13 - Step 4: Simplify right side
2,609,851.74x = 5,460,027,081,398.10 - Step 5: Solve for x
x = 5,460,027,081,398.10/2,609,851.74 - Step 6: Final answer
x = 2,092,083.24
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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.