Finding the Fourth Proportional to 3,427,259.13, 4,729,588.20 and 1,878,606.81
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Solution
The fourth proportional to 3,427,259.13, 4,729,588.20 and 1,878,606.81 is: 2,592,461.28
Step by Step Solution
- Step 1: Write the proportion equation
3,427,259.13 : 4,729,588.20 = 1,878,606.81 : x - Step 2: Convert to fraction form
3,427,259.13/4,729,588.20 = 1,878,606.81/x - Step 3: Cross multiply
3,427,259.13x = 4,729,588.20 × 1,878,606.81 - Step 4: Simplify right side
3,427,259.13x = 8,885,036,601,015.64 - Step 5: Solve for x
x = 8,885,036,601,015.64/3,427,259.13 - Step 6: Final answer
x = 2,592,461.28
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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.