Finding the Fourth Proportional to 1,710,233.21, 2,565,415.42 and 763,612.13
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Solution
The fourth proportional to 1,710,233.21, 2,565,415.42 and 763,612.13 is: 1,145,447.48
Step by Step Solution
- Step 1: Write the proportion equation
1,710,233.21 : 2,565,415.42 = 763,612.13 : x - Step 2: Convert to fraction form
1,710,233.21/2,565,415.42 = 763,612.13/x - Step 3: Cross multiply
1,710,233.21x = 2,565,415.42 × 763,612.13 - Step 4: Simplify right side
1,710,233.21x = 1,958,982,318,464.94 - Step 5: Solve for x
x = 1,958,982,318,464.94/1,710,233.21 - Step 6: Final answer
x = 1,145,447.48
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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.