Finding the Fourth Proportional to 1,644,246.03, 2,268,429.60 and 999,430.95
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Solution
The fourth proportional to 1,644,246.03, 2,268,429.60 and 999,430.95 is: 1,378,831.82
Step by Step Solution
- Step 1: Write the proportion equation
1,644,246.03 : 2,268,429.60 = 999,430.95 : x - Step 2: Convert to fraction form
1,644,246.03/2,268,429.60 = 999,430.95/x - Step 3: Cross multiply
1,644,246.03x = 2,268,429.60 × 999,430.95 - Step 4: Simplify right side
1,644,246.03x = 2,267,138,750,136.12 - Step 5: Solve for x
x = 2,267,138,750,136.12/1,644,246.03 - Step 6: Final answer
x = 1,378,831.82
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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.