Finding the Fourth Proportional to 1,450,421.68, 2,175,616.32 and 881,959.36
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Solution
The fourth proportional to 1,450,421.68, 2,175,616.32 and 881,959.36 is: 1,322,929.19
Step by Step Solution
- Step 1: Write the proportion equation
1,450,421.68 : 2,175,616.32 = 881,959.36 : x - Step 2: Convert to fraction form
1,450,421.68/2,175,616.32 = 881,959.36/x - Step 3: Cross multiply
1,450,421.68x = 2,175,616.32 × 881,959.36 - Step 4: Simplify right side
1,450,421.68x = 1,918,805,177,192.76 - Step 5: Solve for x
x = 1,918,805,177,192.76/1,450,421.68 - Step 6: Final answer
x = 1,322,929.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.