Finding the Fourth Proportional to 2,168,533.67, 2,992,594.05 and 1,201,680.11
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Solution
The fourth proportional to 2,168,533.67, 2,992,594.05 and 1,201,680.11 is: 1,658,328.30
Step by Step Solution
- Step 1: Write the proportion equation
2,168,533.67 : 2,992,594.05 = 1,201,680.11 : x - Step 2: Convert to fraction form
2,168,533.67/2,992,594.05 = 1,201,680.11/x - Step 3: Cross multiply
2,168,533.67x = 2,992,594.05 × 1,201,680.11 - Step 4: Simplify right side
2,168,533.67x = 3,596,140,754,670.83 - Step 5: Solve for x
x = 3,596,140,754,670.83/2,168,533.67 - Step 6: Final answer
x = 1,658,328.30
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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.