Finding the Fourth Proportional to 2,596,811.60, 3,893,374.20 and 998,757.20
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Solution
The fourth proportional to 2,596,811.60, 3,893,374.20 and 998,757.20 is: 1,497,426.89
Step by Step Solution
- Step 1: Write the proportion equation
2,596,811.60 : 3,893,374.20 = 998,757.20 : x - Step 2: Convert to fraction form
2,596,811.60/3,893,374.20 = 998,757.20/x - Step 3: Cross multiply
2,596,811.60x = 3,893,374.20 × 998,757.20 - Step 4: Simplify right side
2,596,811.60x = 3,888,535,514,544.24 - Step 5: Solve for x
x = 3,888,535,514,544.24/2,596,811.60 - Step 6: Final answer
x = 1,497,426.89
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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.