Finding the Fourth Proportional to 2,168,545.49, 2,992,610.34 and 1,201,691.91
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Solution
The fourth proportional to 2,168,545.49, 2,992,610.34 and 1,201,691.91 is: 1,658,344.57
Step by Step Solution
- Step 1: Write the proportion equation
2,168,545.49 : 2,992,610.34 = 1,201,691.91 : x - Step 2: Convert to fraction form
2,168,545.49/2,992,610.34 = 1,201,691.91/x - Step 3: Cross multiply
2,168,545.49x = 2,992,610.34 × 1,201,691.91 - Step 4: Simplify right side
2,168,545.49x = 3,596,195,635,360.35 - Step 5: Solve for x
x = 3,596,195,635,360.35/2,168,545.49 - Step 6: Final answer
x = 1,658,344.57
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1.5x scale
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.