Finding the Fourth Proportional to 1,886,772.29, 2,603,723.13 and 1,027,332.32
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Solution
The fourth proportional to 1,886,772.29, 2,603,723.13 and 1,027,332.32 is: 1,417,706.28
Step by Step Solution
- Step 1: Write the proportion equation
1,886,772.29 : 2,603,723.13 = 1,027,332.32 : x - Step 2: Convert to fraction form
1,886,772.29/2,603,723.13 = 1,027,332.32/x - Step 3: Cross multiply
1,886,772.29x = 2,603,723.13 × 1,027,332.32 - Step 4: Simplify right side
1,886,772.29x = 2,674,888,910,761.95 - Step 5: Solve for x
x = 2,674,888,910,761.95/1,886,772.29 - Step 6: Final answer
x = 1,417,706.28
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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.