Finding the Fourth Proportional to 4,315,385.06, 6,475,966.90 and 1,791,042.74
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Solution
The fourth proportional to 4,315,385.06, 6,475,966.90 and 1,791,042.74 is: 2,687,763.28
Step by Step Solution
- Step 1: Write the proportion equation
4,315,385.06 : 6,475,966.90 = 1,791,042.74 : x - Step 2: Convert to fraction form
4,315,385.06/6,475,966.90 = 1,791,042.74/x - Step 3: Cross multiply
4,315,385.06x = 6,475,966.90 × 1,791,042.74 - Step 4: Simplify right side
4,315,385.06x = 11,598,733,500,725.31 - Step 5: Solve for x
x = 11,598,733,500,725.31/4,315,385.06 - Step 6: Final answer
x = 2,687,763.28
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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.