Finding the Fourth Proportional to 2,990,854.74, 4,127,396.31 and 1,701,695.10
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Solution
The fourth proportional to 2,990,854.74, 4,127,396.31 and 1,701,695.10 is: 2,348,348.78
Step by Step Solution
- Step 1: Write the proportion equation
2,990,854.74 : 4,127,396.31 = 1,701,695.10 : x - Step 2: Convert to fraction form
2,990,854.74/4,127,396.31 = 1,701,695.10/x - Step 3: Cross multiply
2,990,854.74x = 4,127,396.31 × 1,701,695.10 - Step 4: Simplify right side
2,990,854.74x = 7,023,570,076,485.08 - Step 5: Solve for x
x = 7,023,570,076,485.08/2,990,854.74 - Step 6: Final answer
x = 2,348,348.78
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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.