Finding the Fourth Proportional to 1,577,149.40, 2,174,200.08 and 1,123,653.08
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Solution
The fourth proportional to 1,577,149.40, 2,174,200.08 and 1,123,653.08 is: 1,549,026.75
Step by Step Solution
- Step 1: Write the proportion equation
1,577,149.40 : 2,174,200.08 = 1,123,653.08 : x - Step 2: Convert to fraction form
1,577,149.40/2,174,200.08 = 1,123,653.08/x - Step 3: Cross multiply
1,577,149.40x = 2,174,200.08 × 1,123,653.08 - Step 4: Simplify right side
1,577,149.40x = 2,443,046,616,428.25 - Step 5: Solve for x
x = 2,443,046,616,428.25/1,577,149.40 - Step 6: Final answer
x = 1,549,026.75
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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.