Finding the Fourth Proportional to 1,781,159.88, 2,665,433.06 and 1,107,558.42
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Solution
The fourth proportional to 1,781,159.88, 2,665,433.06 and 1,107,558.42 is: 1,657,415.97
Step by Step Solution
- Step 1: Write the proportion equation
1,781,159.88 : 2,665,433.06 = 1,107,558.42 : x - Step 2: Convert to fraction form
1,781,159.88/2,665,433.06 = 1,107,558.42/x - Step 3: Cross multiply
1,781,159.88x = 2,665,433.06 × 1,107,558.42 - Step 4: Simplify right side
1,781,159.88x = 2,952,122,828,549.37 - Step 5: Solve for x
x = 2,952,122,828,549.37/1,781,159.88 - Step 6: Final answer
x = 1,657,415.97
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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.