Finding the Fourth Proportional to 1,831,261.18, 2,526,832.48 and 1,220,326.06
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Solution
The fourth proportional to 1,831,261.18, 2,526,832.48 and 1,220,326.06 is: 1,683,844.74
Step by Step Solution
- Step 1: Write the proportion equation
1,831,261.18 : 2,526,832.48 = 1,220,326.06 : x - Step 2: Convert to fraction form
1,831,261.18/2,526,832.48 = 1,220,326.06/x - Step 3: Cross multiply
1,831,261.18x = 2,526,832.48 × 1,220,326.06 - Step 4: Simplify right side
1,831,261.18x = 3,083,559,505,862.64 - Step 5: Solve for x
x = 3,083,559,505,862.64/1,831,261.18 - Step 6: Final answer
x = 1,683,844.74
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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.