Finding the Fourth Proportional to 3,506,678.97, 5,260,033.08 and 1,112,205.57
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Solution
The fourth proportional to 3,506,678.97, 5,260,033.08 and 1,112,205.57 is: 1,668,312.99
Step by Step Solution
- Step 1: Write the proportion equation
3,506,678.97 : 5,260,033.08 = 1,112,205.57 : x - Step 2: Convert to fraction form
3,506,678.97/5,260,033.08 = 1,112,205.57/x - Step 3: Cross multiply
3,506,678.97x = 5,260,033.08 × 1,112,205.57 - Step 4: Simplify right side
3,506,678.97x = 5,850,238,089,960.26 - Step 5: Solve for x
x = 5,850,238,089,960.26/3,506,678.97 - Step 6: Final answer
x = 1,668,312.99
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1.5x scale
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.