Finding the Fourth Proportional to 1,389,935.92, 2,086,252.06 and 670,783.80
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Solution
The fourth proportional to 1,389,935.92, 2,086,252.06 and 670,783.80 is: 1,006,826.33
Step by Step Solution
- Step 1: Write the proportion equation
1,389,935.92 : 2,086,252.06 = 670,783.80 : x - Step 2: Convert to fraction form
1,389,935.92/2,086,252.06 = 670,783.80/x - Step 3: Cross multiply
1,389,935.92x = 2,086,252.06 × 670,783.80 - Step 4: Simplify right side
1,389,935.92x = 1,399,424,084,564.63 - Step 5: Solve for x
x = 1,399,424,084,564.63/1,389,935.92 - Step 6: Final answer
x = 1,006,826.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.