Finding the Fourth Proportional to 2,304,980.64, 3,180,924.42 and 1,272,486.12
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Solution
The fourth proportional to 2,304,980.64, 3,180,924.42 and 1,272,486.12 is: 1,756,059.08
Step by Step Solution
- Step 1: Write the proportion equation
2,304,980.64 : 3,180,924.42 = 1,272,486.12 : x - Step 2: Convert to fraction form
2,304,980.64/3,180,924.42 = 1,272,486.12/x - Step 3: Cross multiply
2,304,980.64x = 3,180,924.42 × 1,272,486.12 - Step 4: Simplify right side
2,304,980.64x = 4,047,682,173,219.05 - Step 5: Solve for x
x = 4,047,682,173,219.05/2,304,980.64 - Step 6: Final answer
x = 1,756,059.08
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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.