Finding the Fourth Proportional to 1,642,557.42, 2,463,408.45 and 695,440.62
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Solution
The fourth proportional to 1,642,557.42, 2,463,408.45 and 695,440.62 is: 1,042,979.86
Step by Step Solution
- Step 1: Write the proportion equation
1,642,557.42 : 2,463,408.45 = 695,440.62 : x - Step 2: Convert to fraction form
1,642,557.42/2,463,408.45 = 695,440.62/x - Step 3: Cross multiply
1,642,557.42x = 2,463,408.45 × 695,440.62 - Step 4: Simplify right side
1,642,557.42x = 1,713,154,299,781.24 - Step 5: Solve for x
x = 1,713,154,299,781.24/1,642,557.42 - Step 6: Final answer
x = 1,042,979.86
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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.