Finding the Fourth Proportional to 2,949,988.60, 4,071,060.84 and 1,660,875.49
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Solution
The fourth proportional to 2,949,988.60, 4,071,060.84 and 1,660,875.49 is: 2,292,051.29
Step by Step Solution
- Step 1: Write the proportion equation
2,949,988.60 : 4,071,060.84 = 1,660,875.49 : x - Step 2: Convert to fraction form
2,949,988.60/4,071,060.84 = 1,660,875.49/x - Step 3: Cross multiply
2,949,988.60x = 4,071,060.84 × 1,660,875.49 - Step 4: Simplify right side
2,949,988.60x = 6,761,525,167,454.81 - Step 5: Solve for x
x = 6,761,525,167,454.81/2,949,988.60 - Step 6: Final answer
x = 2,292,051.29
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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.