Finding the Fourth Proportional to 1,565,540.24, 2,160,408.98 and 921,001.94
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Solution
The fourth proportional to 1,565,540.24, 2,160,408.98 and 921,001.94 is: 1,270,961.17
Step by Step Solution
- Step 1: Write the proportion equation
1,565,540.24 : 2,160,408.98 = 921,001.94 : x - Step 2: Convert to fraction form
1,565,540.24/2,160,408.98 = 921,001.94/x - Step 3: Cross multiply
1,565,540.24x = 2,160,408.98 × 921,001.94 - Step 4: Simplify right side
1,565,540.24x = 1,989,740,861,773.42 - Step 5: Solve for x
x = 1,989,740,861,773.42/1,565,540.24 - Step 6: Final answer
x = 1,270,961.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.