Finding the Fourth Proportional to 1,806,503.68, 2,493,009.28 and 990,655.68
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Solution
The fourth proportional to 1,806,503.68, 2,493,009.28 and 990,655.68 is: 1,367,123.59
Step by Step Solution
- Step 1: Write the proportion equation
1,806,503.68 : 2,493,009.28 = 990,655.68 : x - Step 2: Convert to fraction form
1,806,503.68/2,493,009.28 = 990,655.68/x - Step 3: Cross multiply
1,806,503.68x = 2,493,009.28 × 990,655.68 - Step 4: Simplify right side
1,806,503.68x = 2,469,713,803,524.71 - Step 5: Solve for x
x = 2,469,713,803,524.71/1,806,503.68 - Step 6: Final answer
x = 1,367,123.59
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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.