Finding the Fourth Proportional to 5,618,045.98, 7,752,848.34 and 3,039,670.18
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Solution
The fourth proportional to 5,618,045.98, 7,752,848.34 and 3,039,670.18 is: 4,194,715.03
Step by Step Solution
- Step 1: Write the proportion equation
5,618,045.98 : 7,752,848.34 = 3,039,670.18 : x - Step 2: Convert to fraction form
5,618,045.98/7,752,848.34 = 3,039,670.18/x - Step 3: Cross multiply
5,618,045.98x = 7,752,848.34 × 3,039,670.18 - Step 4: Simplify right side
5,618,045.98x = 23,566,101,909,160.50 - Step 5: Solve for x
x = 23,566,101,909,160.50/5,618,045.98 - Step 6: Final answer
x = 4,194,715.03
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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.