Finding the Fourth Proportional to 4,138,526.16, 6,205,979.49 and 2,087,925.09
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Solution
The fourth proportional to 4,138,526.16, 6,205,979.49 and 2,087,925.09 is: 3,130,974.60
Step by Step Solution
- Step 1: Write the proportion equation
4,138,526.16 : 6,205,979.49 = 2,087,925.09 : x - Step 2: Convert to fraction form
4,138,526.16/6,205,979.49 = 2,087,925.09/x - Step 3: Cross multiply
4,138,526.16x = 6,205,979.49 × 2,087,925.09 - Step 4: Simplify right side
4,138,526.16x = 12,957,620,285,196.40 - Step 5: Solve for x
x = 12,957,620,285,196.40/4,138,526.16 - Step 6: Final answer
x = 3,130,974.60
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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.