Finding the Fourth Proportional to 4,430,043.30, 6,645,276.16 and 2,152,854.74
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Solution
The fourth proportional to 4,430,043.30, 6,645,276.16 and 2,152,854.74 is: 3,229,384.75
Step by Step Solution
- Step 1: Write the proportion equation
4,430,043.30 : 6,645,276.16 = 2,152,854.74 : x - Step 2: Convert to fraction form
4,430,043.30/6,645,276.16 = 2,152,854.74/x - Step 3: Cross multiply
4,430,043.30x = 6,645,276.16 × 2,152,854.74 - Step 4: Simplify right side
4,430,043.30x = 14,306,314,279,665 - Step 5: Solve for x
x = 14,306,314,279,665/4,430,043.30 - Step 6: Final answer
x = 3,229,384.75
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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.