Finding the Fourth Proportional to 1,498,715.81, 2,068,226.36 and 810,386.02
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Solution
The fourth proportional to 1,498,715.81, 2,068,226.36 and 810,386.02 is: 1,118,331.92
Step by Step Solution
- Step 1: Write the proportion equation
1,498,715.81 : 2,068,226.36 = 810,386.02 : x - Step 2: Convert to fraction form
1,498,715.81/2,068,226.36 = 810,386.02/x - Step 3: Cross multiply
1,498,715.81x = 2,068,226.36 × 810,386.02 - Step 4: Simplify right side
1,498,715.81x = 1,676,061,722,042.52 - Step 5: Solve for x
x = 1,676,061,722,042.52/1,498,715.81 - Step 6: Final answer
x = 1,118,331.92
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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.