Finding the Fourth Proportional to 1,898,727.36, 2,620,247.68 and 1,039,342.48
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Solution
The fourth proportional to 1,898,727.36, 2,620,247.68 and 1,039,342.48 is: 1,434,294.77
Step by Step Solution
- Step 1: Write the proportion equation
1,898,727.36 : 2,620,247.68 = 1,039,342.48 : x - Step 2: Convert to fraction form
1,898,727.36/2,620,247.68 = 1,039,342.48/x - Step 3: Cross multiply
1,898,727.36x = 2,620,247.68 × 1,039,342.48 - Step 4: Simplify right side
1,898,727.36x = 2,723,334,721,945.45 - Step 5: Solve for x
x = 2,723,334,721,945.45/1,898,727.36 - Step 6: Final answer
x = 1,434,294.77
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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.