Finding the Fourth Proportional to 5,154,325.74, 7,116,527.97 and 3,221,455.14
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Solution
The fourth proportional to 5,154,325.74, 7,116,527.97 and 3,221,455.14 is: 4,447,832.12
Step by Step Solution
- Step 1: Write the proportion equation
5,154,325.74 : 7,116,527.97 = 3,221,455.14 : x - Step 2: Convert to fraction form
5,154,325.74/7,116,527.97 = 3,221,455.14/x - Step 3: Cross multiply
5,154,325.74x = 7,116,527.97 × 3,221,455.14 - Step 4: Simplify right side
5,154,325.74x = 22,925,575,607,910.27 - Step 5: Solve for x
x = 22,925,575,607,910.27/5,154,325.74 - Step 6: Final answer
x = 4,447,832.12
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1.5x scale
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.