Finding the Fourth Proportional to 7,488,272.40, 11,232,408.60 and 2,696,701.20
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Solution
The fourth proportional to 7,488,272.40, 11,232,408.60 and 2,696,701.20 is: 4,045,051.80
Step by Step Solution
- Step 1: Write the proportion equation
7,488,272.40 : 11,232,408.60 = 2,696,701.20 : x - Step 2: Convert to fraction form
7,488,272.40/11,232,408.60 = 2,696,701.20/x - Step 3: Cross multiply
7,488,272.40x = 11,232,408.60 × 2,696,701.20 - Step 4: Simplify right side
7,488,272.40x = 30,290,449,750,510.32 - Step 5: Solve for x
x = 30,290,449,750,510.32/7,488,272.40 - Step 6: Final answer
x = 4,045,051.80
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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.