Finding the Fourth Proportional to 1,927,615.29, 2,660,124.84 and 1,068,189.90
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Solution
The fourth proportional to 1,927,615.29, 2,660,124.84 and 1,068,189.90 is: 1,474,110.78
Step by Step Solution
- Step 1: Write the proportion equation
1,927,615.29 : 2,660,124.84 = 1,068,189.90 : x - Step 2: Convert to fraction form
1,927,615.29/2,660,124.84 = 1,068,189.90/x - Step 3: Cross multiply
1,927,615.29x = 2,660,124.84 × 1,068,189.90 - Step 4: Simplify right side
1,927,615.29x = 2,841,518,486,827.12 - Step 5: Solve for x
x = 2,841,518,486,827.12/1,927,615.29 - Step 6: Final answer
x = 1,474,110.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.