Finding the Fourth Proportional to 6,358,082.40, 8,774,384.44 and 3,642,353.28
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Solution
The fourth proportional to 6,358,082.40, 8,774,384.44 and 3,642,353.28 is: 5,026,579.70
Step by Step Solution
- Step 1: Write the proportion equation
6,358,082.40 : 8,774,384.44 = 3,642,353.28 : x - Step 2: Convert to fraction form
6,358,082.40/8,774,384.44 = 3,642,353.28/x - Step 3: Cross multiply
6,358,082.40x = 8,774,384.44 × 3,642,353.28 - Step 4: Simplify right side
6,358,082.40x = 31,959,407,945,014.96 - Step 5: Solve for x
x = 31,959,407,945,014.96/6,358,082.40 - Step 6: Final answer
x = 5,026,579.70
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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.