Finding the Fourth Proportional to 2,399,420.48, 3,293,574.89 and 2,121,398.10
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Solution
The fourth proportional to 2,399,420.48, 3,293,574.89 and 2,121,398.10 is: 2,911,946.27
Step by Step Solution
- Step 1: Write the proportion equation
2,399,420.48 : 3,293,574.89 = 2,121,398.10 : x - Step 2: Convert to fraction form
2,399,420.48/3,293,574.89 = 2,121,398.10/x - Step 3: Cross multiply
2,399,420.48x = 3,293,574.89 × 2,121,398.10 - Step 4: Simplify right side
2,399,420.48x = 6,986,983,503,246.72 - Step 5: Solve for x
x = 6,986,983,503,246.72/2,399,420.48 - Step 6: Final answer
x = 2,911,946.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.