Finding the Fourth Proportional to 1,644,239.66, 2,268,420.80 and 999,424.58
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Solution
The fourth proportional to 1,644,239.66, 2,268,420.80 and 999,424.58 is: 1,378,823.02
Step by Step Solution
- Step 1: Write the proportion equation
1,644,239.66 : 2,268,420.80 = 999,424.58 : x - Step 2: Convert to fraction form
1,644,239.66/2,268,420.80 = 999,424.58/x - Step 3: Cross multiply
1,644,239.66x = 2,268,420.80 × 999,424.58 - Step 4: Simplify right side
1,644,239.66x = 2,267,115,488,964.04 - Step 5: Solve for x
x = 2,267,115,488,964.04/1,644,239.66 - Step 6: Final answer
x = 1,378,823.02
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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.