Finding the Fourth Proportional to 6,381,565.09, 9,564,365.07 and 3,187,582.81
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Solution
The fourth proportional to 6,381,565.09, 9,564,365.07 and 3,187,582.81 is: 4,777,386.93
Step by Step Solution
- Step 1: Write the proportion equation
6,381,565.09 : 9,564,365.07 = 3,187,582.81 : x - Step 2: Convert to fraction form
6,381,565.09/9,564,365.07 = 3,187,582.81/x - Step 3: Cross multiply
6,381,565.09x = 9,564,365.07 × 3,187,582.81 - Step 4: Simplify right side
6,381,565.09x = 30,487,205,661,785.54 - Step 5: Solve for x
x = 30,487,205,661,785.54/6,381,565.09 - Step 6: Final answer
x = 4,777,386.93
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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.