Finding the Fourth Proportional to 1,869,274.92, 2,803,934.87 and 521,355.45
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Solution
The fourth proportional to 1,869,274.92, 2,803,934.87 and 521,355.45 is: 782,039.45
Step by Step Solution
- Step 1: Write the proportion equation
1,869,274.92 : 2,803,934.87 = 521,355.45 : x - Step 2: Convert to fraction form
1,869,274.92/2,803,934.87 = 521,355.45/x - Step 3: Cross multiply
1,869,274.92x = 2,803,934.87 × 521,355.45 - Step 4: Simplify right side
1,869,274.92x = 1,461,846,723,312.76 - Step 5: Solve for x
x = 1,461,846,723,312.76/1,869,274.92 - Step 6: Final answer
x = 782,039.45
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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.