Finding the Fourth Proportional to 2,920,246.74, 4,029,898.05 and 1,631,105.46
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Solution
The fourth proportional to 2,920,246.74, 4,029,898.05 and 1,631,105.46 is: 2,250,901.82
Step by Step Solution
- Step 1: Write the proportion equation
2,920,246.74 : 4,029,898.05 = 1,631,105.46 : x - Step 2: Convert to fraction form
2,920,246.74/4,029,898.05 = 1,631,105.46/x - Step 3: Cross multiply
2,920,246.74x = 4,029,898.05 × 1,631,105.46 - Step 4: Simplify right side
2,920,246.74x = 6,573,188,712,598.35 - Step 5: Solve for x
x = 6,573,188,712,598.35/2,920,246.74 - Step 6: Final answer
x = 2,250,901.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.