Finding the Fourth Proportional to 7,421,730.60, 11,132,595.90 and 2,373,205.80
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Solution
The fourth proportional to 7,421,730.60, 11,132,595.90 and 2,373,205.80 is: 3,559,808.70
Step by Step Solution
- Step 1: Write the proportion equation
7,421,730.60 : 11,132,595.90 = 2,373,205.80 : x - Step 2: Convert to fraction form
7,421,730.60/11,132,595.90 = 2,373,205.80/x - Step 3: Cross multiply
7,421,730.60x = 11,132,595.90 × 2,373,205.80 - Step 4: Simplify right side
7,421,730.60x = 26,419,941,158,936.22 - Step 5: Solve for x
x = 26,419,941,158,936.22/7,421,730.60 - Step 6: Final answer
x = 3,559,808.70
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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.