Finding the Fourth Proportional to 1,539,389.36, 2,122,981.80 and 966,482.96
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Solution
The fourth proportional to 1,539,389.36, 2,122,981.80 and 966,482.96 is: 1,332,882.89
Step by Step Solution
- Step 1: Write the proportion equation
1,539,389.36 : 2,122,981.80 = 966,482.96 : x - Step 2: Convert to fraction form
1,539,389.36/2,122,981.80 = 966,482.96/x - Step 3: Cross multiply
1,539,389.36x = 2,122,981.80 × 966,482.96 - Step 4: Simplify right side
1,539,389.36x = 2,051,825,734,090.13 - Step 5: Solve for x
x = 2,051,825,734,090.13/1,539,389.36 - Step 6: Final answer
x = 1,332,882.89
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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.