Finding the Fourth Proportional to 2,110,394.92, 2,912,398.80 and 1,295,048.92
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Solution
The fourth proportional to 2,110,394.92, 2,912,398.80 and 1,295,048.92 is: 1,787,200.53
Step by Step Solution
- Step 1: Write the proportion equation
2,110,394.92 : 2,912,398.80 = 1,295,048.92 : x - Step 2: Convert to fraction form
2,110,394.92/2,912,398.80 = 1,295,048.92/x - Step 3: Cross multiply
2,110,394.92x = 2,912,398.80 × 1,295,048.92 - Step 4: Simplify right side
2,110,394.92x = 3,771,698,920,549.30 - Step 5: Solve for x
x = 3,771,698,920,549.30/2,110,394.92 - Step 6: Final answer
x = 1,787,200.53
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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.