Finding the Fourth Proportional to 1,880,621.58, 2,821,129.20 and 618,547.62
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Solution
The fourth proportional to 1,880,621.58, 2,821,129.20 and 618,547.62 is: 927,886.17
Step by Step Solution
- Step 1: Write the proportion equation
1,880,621.58 : 2,821,129.20 = 618,547.62 : x - Step 2: Convert to fraction form
1,880,621.58/2,821,129.20 = 618,547.62/x - Step 3: Cross multiply
1,880,621.58x = 2,821,129.20 × 618,547.62 - Step 4: Simplify right side
1,880,621.58x = 1,745,002,752,372.50 - Step 5: Solve for x
x = 1,745,002,752,372.50/1,880,621.58 - Step 6: Final answer
x = 927,886.17
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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.