Finding the Fourth Proportional to 2,990,848.68, 4,127,387.99 and 1,701,689.07
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Solution
The fourth proportional to 2,990,848.68, 4,127,387.99 and 1,701,689.07 is: 2,348,340.48
Step by Step Solution
- Step 1: Write the proportion equation
2,990,848.68 : 4,127,387.99 = 1,701,689.07 : x - Step 2: Convert to fraction form
2,990,848.68/4,127,387.99 = 1,701,689.07/x - Step 3: Cross multiply
2,990,848.68x = 4,127,387.99 × 1,701,689.07 - Step 4: Simplify right side
2,990,848.68x = 7,023,531,030,232.27 - Step 5: Solve for x
x = 7,023,531,030,232.27/2,990,848.68 - Step 6: Final answer
x = 2,348,340.48
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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.