Finding the Fourth Proportional to 2,389,557.24, 3,582,864.36 and 1,173,587.40
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Solution
The fourth proportional to 2,389,557.24, 3,582,864.36 and 1,173,587.40 is: 1,759,658.40
Step by Step Solution
- Step 1: Write the proportion equation
2,389,557.24 : 3,582,864.36 = 1,173,587.40 : x - Step 2: Convert to fraction form
2,389,557.24/3,582,864.36 = 1,173,587.40/x - Step 3: Cross multiply
2,389,557.24x = 3,582,864.36 × 1,173,587.40 - Step 4: Simplify right side
2,389,557.24x = 4,204,804,468,805.06 - Step 5: Solve for x
x = 4,204,804,468,805.06/2,389,557.24 - Step 6: Final answer
x = 1,759,658.40
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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.