Finding the Fourth Proportional to 1,474,345.98, 2,035,225.05 and 991,191.24
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Solution
The fourth proportional to 1,474,345.98, 2,035,225.05 and 991,191.24 is: 1,368,265.84
Step by Step Solution
- Step 1: Write the proportion equation
1,474,345.98 : 2,035,225.05 = 991,191.24 : x - Step 2: Convert to fraction form
1,474,345.98/2,035,225.05 = 991,191.24/x - Step 3: Cross multiply
1,474,345.98x = 2,035,225.05 × 991,191.24 - Step 4: Simplify right side
1,474,345.98x = 2,017,297,240,988.56 - Step 5: Solve for x
x = 2,017,297,240,988.56/1,474,345.98 - Step 6: Final answer
x = 1,368,265.84
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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.