Finding the Fourth Proportional to 1,691,503.88, 2,537,264.33 and 429,331.91
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Solution
The fourth proportional to 1,691,503.88, 2,537,264.33 and 429,331.91 is: 644,000.02
Step by Step Solution
- Step 1: Write the proportion equation
1,691,503.88 : 2,537,264.33 = 429,331.91 : x - Step 2: Convert to fraction form
1,691,503.88/2,537,264.33 = 429,331.91/x - Step 3: Cross multiply
1,691,503.88x = 2,537,264.33 × 429,331.91 - Step 4: Simplify right side
1,691,503.88x = 1,089,328,540,973.77 - Step 5: Solve for x
x = 1,089,328,540,973.77/1,691,503.88 - Step 6: Final answer
x = 644,000.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.