Finding the Fourth Proportional to 1,806,777.68, 2,493,356.80 and 990,988.07
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Solution
The fourth proportional to 1,806,777.68, 2,493,356.80 and 990,988.07 is: 1,367,565.51
Step by Step Solution
- Step 1: Write the proportion equation
1,806,777.68 : 2,493,356.80 = 990,988.07 : x - Step 2: Convert to fraction form
1,806,777.68/2,493,356.80 = 990,988.07/x - Step 3: Cross multiply
1,806,777.68x = 2,493,356.80 × 990,988.07 - Step 4: Simplify right side
1,806,777.68x = 2,470,886,843,992.36 - Step 5: Solve for x
x = 2,470,886,843,992.36/1,806,777.68 - Step 6: Final answer
x = 1,367,565.51
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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.