Finding the Fourth Proportional to 2,108,134.68, 2,909,212.52 and 1,141,257.92
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Solution
The fourth proportional to 2,108,134.68, 2,909,212.52 and 1,141,257.92 is: 1,574,928.71
Step by Step Solution
- Step 1: Write the proportion equation
2,108,134.68 : 2,909,212.52 = 1,141,257.92 : x - Step 2: Convert to fraction form
2,108,134.68/2,909,212.52 = 1,141,257.92/x - Step 3: Cross multiply
2,108,134.68x = 2,909,212.52 × 1,141,257.92 - Step 4: Simplify right side
2,108,134.68x = 3,320,161,829,413.16 - Step 5: Solve for x
x = 3,320,161,829,413.16/2,108,134.68 - Step 6: Final answer
x = 1,574,928.71
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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.