Finding the Fourth Proportional to 1,857,722.24, 2,563,686.08 and 1,042,107.20
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Solution
The fourth proportional to 1,857,722.24, 2,563,686.08 and 1,042,107.20 is: 1,438,124.42
Step by Step Solution
- Step 1: Write the proportion equation
1,857,722.24 : 2,563,686.08 = 1,042,107.20 : x - Step 2: Convert to fraction form
1,857,722.24/2,563,686.08 = 1,042,107.20/x - Step 3: Cross multiply
1,857,722.24x = 2,563,686.08 × 1,042,107.20 - Step 4: Simplify right side
1,857,722.24x = 2,671,635,722,507.78 - Step 5: Solve for x
x = 2,671,635,722,507.78/1,857,722.24 - Step 6: Final answer
x = 1,438,124.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.