Finding the Fourth Proportional to 1,520,835.14, 2,099,219.73 and 876,685.94
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Solution
The fourth proportional to 1,520,835.14, 2,099,219.73 and 876,685.94 is: 1,210,095.94
Step by Step Solution
- Step 1: Write the proportion equation
1,520,835.14 : 2,099,219.73 = 876,685.94 : x - Step 2: Convert to fraction form
1,520,835.14/2,099,219.73 = 876,685.94/x - Step 3: Cross multiply
1,520,835.14x = 2,099,219.73 × 876,685.94 - Step 4: Simplify right side
1,520,835.14x = 1,840,356,422,261.60 - Step 5: Solve for x
x = 1,840,356,422,261.60/1,520,835.14 - Step 6: Final answer
x = 1,210,095.94
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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.