Finding the Fourth Proportional to 1,551,217.64, 2,139,806.02 and 930,862.28
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Solution
The fourth proportional to 1,551,217.64, 2,139,806.02 and 930,862.28 is: 1,284,065.28
Step by Step Solution
- Step 1: Write the proportion equation
1,551,217.64 : 2,139,806.02 = 930,862.28 : x - Step 2: Convert to fraction form
1,551,217.64/2,139,806.02 = 930,862.28/x - Step 3: Cross multiply
1,551,217.64x = 2,139,806.02 × 930,862.28 - Step 4: Simplify right side
1,551,217.64x = 1,991,864,710,534.93 - Step 5: Solve for x
x = 1,991,864,710,534.93/1,551,217.64 - Step 6: Final answer
x = 1,284,065.28
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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.