Finding the Fourth Proportional to 1,927,615.79, 2,660,125.53 and 1,068,190.40
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Solution
The fourth proportional to 1,927,615.79, 2,660,125.53 and 1,068,190.40 is: 1,474,111.47
Step by Step Solution
- Step 1: Write the proportion equation
1,927,615.79 : 2,660,125.53 = 1,068,190.40 : x - Step 2: Convert to fraction form
1,927,615.79/2,660,125.53 = 1,068,190.40/x - Step 3: Cross multiply
1,927,615.79x = 2,660,125.53 × 1,068,190.40 - Step 4: Simplify right side
1,927,615.79x = 2,841,520,553,940.91 - Step 5: Solve for x
x = 2,841,520,553,940.91/1,927,615.79 - Step 6: Final answer
x = 1,474,111.47
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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.