Finding the Fourth Proportional to 2,990,526.71, 4,125,698.16 and 2,218,058.13
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Solution
The fourth proportional to 2,990,526.71, 4,125,698.16 and 2,218,058.13 is: 3,060,008.90
Step by Step Solution
- Step 1: Write the proportion equation
2,990,526.71 : 4,125,698.16 = 2,218,058.13 : x - Step 2: Convert to fraction form
2,990,526.71/4,125,698.16 = 2,218,058.13/x - Step 3: Cross multiply
2,990,526.71x = 4,125,698.16 × 2,218,058.13 - Step 4: Simplify right side
2,990,526.71x = 9,151,038,345,714.04 - Step 5: Solve for x
x = 9,151,038,345,714.04/2,990,526.71 - Step 6: Final answer
x = 3,060,008.90
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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.