Finding the Fourth Proportional to 1,566,350.58, 2,161,521.80 and 921,808.74
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Solution
The fourth proportional to 1,566,350.58, 2,161,521.80 and 921,808.74 is: 1,272,071.34
Step by Step Solution
- Step 1: Write the proportion equation
1,566,350.58 : 2,161,521.80 = 921,808.74 : x - Step 2: Convert to fraction form
1,566,350.58/2,161,521.80 = 921,808.74/x - Step 3: Cross multiply
1,566,350.58x = 2,161,521.80 × 921,808.74 - Step 4: Simplify right side
1,566,350.58x = 1,992,509,686,940.53 - Step 5: Solve for x
x = 1,992,509,686,940.53/1,566,350.58 - Step 6: Final answer
x = 1,272,071.34
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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.