Finding the Fourth Proportional to 1,897,554.13, 2,831,427.28 and 1,781,739.63
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Solution
The fourth proportional to 1,897,554.13, 2,831,427.28 and 1,781,739.63 is: 2,658,615.17
Step by Step Solution
- Step 1: Write the proportion equation
1,897,554.13 : 2,831,427.28 = 1,781,739.63 : x - Step 2: Convert to fraction form
1,897,554.13/2,831,427.28 = 1,781,739.63/x - Step 3: Cross multiply
1,897,554.13x = 2,831,427.28 × 1,781,739.63 - Step 4: Simplify right side
1,897,554.13x = 5,044,866,194,239.11 - Step 5: Solve for x
x = 5,044,866,194,239.11/1,897,554.13 - Step 6: Final answer
x = 2,658,615.17
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.