Finding the Fourth Proportional to 2,118,267.83, 3,175,616.01 and 919,287.02
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Solution
The fourth proportional to 2,118,267.83, 3,175,616.01 and 919,287.02 is: 1,378,155.56
Step by Step Solution
- Step 1: Write the proportion equation
2,118,267.83 : 3,175,616.01 = 919,287.02 : x - Step 2: Convert to fraction form
2,118,267.83/3,175,616.01 = 919,287.02/x - Step 3: Cross multiply
2,118,267.83x = 3,175,616.01 × 919,287.02 - Step 4: Simplify right side
2,118,267.83x = 2,919,302,578,497.19 - Step 5: Solve for x
x = 2,919,302,578,497.19/2,118,267.83 - Step 6: Final answer
x = 1,378,155.56
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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.