Finding the Fourth Proportional to 1,340,854.17, 2,011,343.21 and 442,374.44
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Solution
The fourth proportional to 1,340,854.17, 2,011,343.21 and 442,374.44 is: 663,582.09
Step by Step Solution
- Step 1: Write the proportion equation
1,340,854.17 : 2,011,343.21 = 442,374.44 : x - Step 2: Convert to fraction form
1,340,854.17/2,011,343.21 = 442,374.44/x - Step 3: Cross multiply
1,340,854.17x = 2,011,343.21 × 442,374.44 - Step 4: Simplify right side
1,340,854.17x = 889,766,813,902.96 - Step 5: Solve for x
x = 889,766,813,902.96/1,340,854.17 - Step 6: Final answer
x = 663,582.09
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1.5x scale
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.