Finding the Fourth Proportional to 6,464,385.20, 9,696,577.80 and 3,771,750.80
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Solution
The fourth proportional to 6,464,385.20, 9,696,577.80 and 3,771,750.80 is: 5,657,626.20
Step by Step Solution
- Step 1: Write the proportion equation
6,464,385.20 : 9,696,577.80 = 3,771,750.80 : x - Step 2: Convert to fraction form
6,464,385.20/9,696,577.80 = 3,771,750.80/x - Step 3: Cross multiply
6,464,385.20x = 9,696,577.80 × 3,771,750.80 - Step 4: Simplify right side
6,464,385.20x = 36,573,075,074,412.24 - Step 5: Solve for x
x = 36,573,075,074,412.24/6,464,385.20 - Step 6: Final answer
x = 5,657,626.20
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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.