Finding the Fourth Proportional to 1,947,370.64, 2,687,371.24 and 1,087,931.12
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Solution
The fourth proportional to 1,947,370.64, 2,687,371.24 and 1,087,931.12 is: 1,501,344.81
Step by Step Solution
- Step 1: Write the proportion equation
1,947,370.64 : 2,687,371.24 = 1,087,931.12 : x - Step 2: Convert to fraction form
1,947,370.64/2,687,371.24 = 1,087,931.12/x - Step 3: Cross multiply
1,947,370.64x = 2,687,371.24 × 1,087,931.12 - Step 4: Simplify right side
1,947,370.64x = 2,923,674,802,988.99 - Step 5: Solve for x
x = 2,923,674,802,988.99/1,947,370.64 - Step 6: Final answer
x = 1,501,344.81
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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.