Finding the Fourth Proportional to 2,226,235.74, 3,072,206.39 and 1,259,345.49
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Solution
The fourth proportional to 2,226,235.74, 3,072,206.39 and 1,259,345.49 is: 1,737,897.38
Step by Step Solution
- Step 1: Write the proportion equation
2,226,235.74 : 3,072,206.39 = 1,259,345.49 : x - Step 2: Convert to fraction form
2,226,235.74/3,072,206.39 = 1,259,345.49/x - Step 3: Cross multiply
2,226,235.74x = 3,072,206.39 × 1,259,345.49 - Step 4: Simplify right side
2,226,235.74x = 3,868,969,255,298.95 - Step 5: Solve for x
x = 3,868,969,255,298.95/2,226,235.74 - Step 6: Final answer
x = 1,737,897.38
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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.