Finding the Fourth Proportional to 4,911,692.22, 7,368,534.81 and 1,545,116.22
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Solution
The fourth proportional to 4,911,692.22, 7,368,534.81 and 1,545,116.22 is: 2,317,987.80
Step by Step Solution
- Step 1: Write the proportion equation
4,911,692.22 : 7,368,534.81 = 1,545,116.22 : x - Step 2: Convert to fraction form
4,911,692.22/7,368,534.81 = 1,545,116.22/x - Step 3: Cross multiply
4,911,692.22x = 7,368,534.81 × 1,545,116.22 - Step 4: Simplify right side
4,911,692.22x = 11,385,242,652,565.62 - Step 5: Solve for x
x = 11,385,242,652,565.62/4,911,692.22 - Step 6: Final answer
x = 2,317,987.80
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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.