Finding the Fourth Proportional to 1,593,651.28, 2,199,238.80 and 878,259.28
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Solution
The fourth proportional to 1,593,651.28, 2,199,238.80 and 878,259.28 is: 1,211,997.82
Step by Step Solution
- Step 1: Write the proportion equation
1,593,651.28 : 2,199,238.80 = 878,259.28 : x - Step 2: Convert to fraction form
1,593,651.28/2,199,238.80 = 878,259.28/x - Step 3: Cross multiply
1,593,651.28x = 2,199,238.80 × 878,259.28 - Step 4: Simplify right side
1,593,651.28x = 1,931,501,885,036.06 - Step 5: Solve for x
x = 1,931,501,885,036.06/1,593,651.28 - Step 6: Final answer
x = 1,211,997.82
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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.