Finding the Fourth Proportional to 4,430,762.17, 6,645,552.65 and 1,235,620.78
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Solution
The fourth proportional to 4,430,762.17, 6,645,552.65 and 1,235,620.78 is: 1,853,266.46
Step by Step Solution
- Step 1: Write the proportion equation
4,430,762.17 : 6,645,552.65 = 1,235,620.78 : x - Step 2: Convert to fraction form
4,430,762.17/6,645,552.65 = 1,235,620.78/x - Step 3: Cross multiply
4,430,762.17x = 6,645,552.65 × 1,235,620.78 - Step 4: Simplify right side
4,430,762.17x = 8,211,382,935,399.24 - Step 5: Solve for x
x = 8,211,382,935,399.24/4,430,762.17 - Step 6: Final answer
x = 1,853,266.46
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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.