Finding the Fourth Proportional to 4,430,762.67, 6,645,553.40 and 1,235,621.28
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Solution
The fourth proportional to 4,430,762.67, 6,645,553.40 and 1,235,621.28 is: 1,853,267.22
Step by Step Solution
- Step 1: Write the proportion equation
4,430,762.67 : 6,645,553.40 = 1,235,621.28 : x - Step 2: Convert to fraction form
4,430,762.67/6,645,553.40 = 1,235,621.28/x - Step 3: Cross multiply
4,430,762.67x = 6,645,553.40 × 1,235,621.28 - Step 4: Simplify right side
4,430,762.67x = 8,211,387,198,416.35 - Step 5: Solve for x
x = 8,211,387,198,416.35/4,430,762.67 - Step 6: Final answer
x = 1,853,267.22
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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.