Finding the Fourth Proportional to 1,771,907.12, 2,445,104.88 and 997,497.92
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Solution
The fourth proportional to 1,771,907.12, 2,445,104.88 and 997,497.92 is: 1,376,475.67
Step by Step Solution
- Step 1: Write the proportion equation
1,771,907.12 : 2,445,104.88 = 997,497.92 : x - Step 2: Convert to fraction form
1,771,907.12/2,445,104.88 = 997,497.92/x - Step 3: Cross multiply
1,771,907.12x = 2,445,104.88 × 997,497.92 - Step 4: Simplify right side
1,771,907.12x = 2,438,987,031,981.85 - Step 5: Solve for x
x = 2,438,987,031,981.85/1,771,907.12 - Step 6: Final answer
x = 1,376,475.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.