Finding the Fourth Proportional to 1,563,776.44, 2,156,898.76 and 1,435,130.44
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Solution
The fourth proportional to 1,563,776.44, 2,156,898.76 and 1,435,130.44 is: 1,979,458.82
Step by Step Solution
- Step 1: Write the proportion equation
1,563,776.44 : 2,156,898.76 = 1,435,130.44 : x - Step 2: Convert to fraction form
1,563,776.44/2,156,898.76 = 1,435,130.44/x - Step 3: Cross multiply
1,563,776.44x = 2,156,898.76 × 1,435,130.44 - Step 4: Simplify right side
1,563,776.44x = 3,095,431,066,474.25 - Step 5: Solve for x
x = 3,095,431,066,474.25/1,563,776.44 - Step 6: Final answer
x = 1,979,458.82
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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.