Finding the Fourth Proportional to 1,729,412.42, 2,386,492.80 and 965,515.28
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Solution
The fourth proportional to 1,729,412.42, 2,386,492.80 and 965,515.28 is: 1,332,357.30
Step by Step Solution
- Step 1: Write the proportion equation
1,729,412.42 : 2,386,492.80 = 965,515.28 : x - Step 2: Convert to fraction form
1,729,412.42/2,386,492.80 = 965,515.28/x - Step 3: Cross multiply
1,729,412.42x = 2,386,492.80 × 965,515.28 - Step 4: Simplify right side
1,729,412.42x = 2,304,195,264,009.98 - Step 5: Solve for x
x = 2,304,195,264,009.98/1,729,412.42 - Step 6: Final answer
x = 1,332,357.30
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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.