Finding the Fourth Proportional to 1,369,301.97, 1,889,472.07 and 788,713.93
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Solution
The fourth proportional to 1,369,301.97, 1,889,472.07 and 788,713.93 is: 1,088,330.38
Step by Step Solution
- Step 1: Write the proportion equation
1,369,301.97 : 1,889,472.07 = 788,713.93 : x - Step 2: Convert to fraction form
1,369,301.97/1,889,472.07 = 788,713.93/x - Step 3: Cross multiply
1,369,301.97x = 1,889,472.07 × 788,713.93 - Step 4: Simplify right side
1,369,301.97x = 1,490,252,939,214.63 - Step 5: Solve for x
x = 1,490,252,939,214.63/1,369,301.97 - Step 6: Final answer
x = 1,088,330.38
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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.