Finding the Fourth Proportional to 7,275,802.20, 10,913,703.30 and 2,483,647.80
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Solution
The fourth proportional to 7,275,802.20, 10,913,703.30 and 2,483,647.80 is: 3,725,471.70
Step by Step Solution
- Step 1: Write the proportion equation
7,275,802.20 : 10,913,703.30 = 2,483,647.80 : x - Step 2: Convert to fraction form
7,275,802.20/10,913,703.30 = 2,483,647.80/x - Step 3: Cross multiply
7,275,802.20x = 10,913,703.30 × 2,483,647.80 - Step 4: Simplify right side
7,275,802.20x = 27,105,795,190,897.74 - Step 5: Solve for x
x = 27,105,795,190,897.74/7,275,802.20 - Step 6: Final answer
x = 3,725,471.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.