Finding the Fourth Proportional to 3,119,352.97, 4,304,909.11 and 1,742,704.09
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Solution
The fourth proportional to 3,119,352.97, 4,304,909.11 and 1,742,704.09 is: 2,405,044.50
Step by Step Solution
- Step 1: Write the proportion equation
3,119,352.97 : 4,304,909.11 = 1,742,704.09 : x - Step 2: Convert to fraction form
3,119,352.97/4,304,909.11 = 1,742,704.09/x - Step 3: Cross multiply
3,119,352.97x = 4,304,909.11 × 1,742,704.09 - Step 4: Simplify right side
3,119,352.97x = 7,502,182,713,075.26 - Step 5: Solve for x
x = 7,502,182,713,075.26/3,119,352.97 - Step 6: Final answer
x = 2,405,044.50
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1.5x scale
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.