Finding the Fourth Proportional to 5,798,444.92, 8,001,962.40 and 3,220,367.20
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Solution
The fourth proportional to 5,798,444.92, 8,001,962.40 and 3,220,367.20 is: 4,444,166.95
Step by Step Solution
- Step 1: Write the proportion equation
5,798,444.92 : 8,001,962.40 = 3,220,367.20 : x - Step 2: Convert to fraction form
5,798,444.92/8,001,962.40 = 3,220,367.20/x - Step 3: Cross multiply
5,798,444.92x = 8,001,962.40 × 3,220,367.20 - Step 4: Simplify right side
5,798,444.92x = 25,769,257,248,593.28 - Step 5: Solve for x
x = 25,769,257,248,593.28/5,798,444.92 - Step 6: Final answer
x = 4,444,166.95
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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.