Finding the Fourth Proportional to 4,992,707.29, 6,889,869.07 and 2,787,603.98
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Solution
The fourth proportional to 4,992,707.29, 6,889,869.07 and 2,787,603.98 is: 3,846,856.09
Step by Step Solution
- Step 1: Write the proportion equation
4,992,707.29 : 6,889,869.07 = 2,787,603.98 : x - Step 2: Convert to fraction form
4,992,707.29/6,889,869.07 = 2,787,603.98/x - Step 3: Cross multiply
4,992,707.29x = 6,889,869.07 × 2,787,603.98 - Step 4: Simplify right side
4,992,707.29x = 19,206,226,441,210.90 - Step 5: Solve for x
x = 19,206,226,441,210.90/4,992,707.29 - Step 6: Final answer
x = 3,846,856.09
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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.