Finding the Fourth Proportional to 2,173,266.24, 2,998,957.35 and 1,206,320.40
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Solution
The fourth proportional to 2,173,266.24, 2,998,957.35 and 1,206,320.40 is: 1,664,638.86
Step by Step Solution
- Step 1: Write the proportion equation
2,173,266.24 : 2,998,957.35 = 1,206,320.40 : x - Step 2: Convert to fraction form
2,173,266.24/2,998,957.35 = 1,206,320.40/x - Step 3: Cross multiply
2,173,266.24x = 2,998,957.35 × 1,206,320.40 - Step 4: Simplify right side
2,173,266.24x = 3,617,703,430,034.94 - Step 5: Solve for x
x = 3,617,703,430,034.94/2,173,266.24 - Step 6: Final answer
x = 1,664,638.86
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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.