Finding the Fourth Proportional to 3,427,119.02, 4,729,475.99 and 1,878,368.33
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Solution
The fourth proportional to 3,427,119.02, 4,729,475.99 and 1,878,368.33 is: 2,592,176.65
Step by Step Solution
- Step 1: Write the proportion equation
3,427,119.02 : 4,729,475.99 = 1,878,368.33 : x - Step 2: Convert to fraction form
3,427,119.02/4,729,475.99 = 1,878,368.33/x - Step 3: Cross multiply
3,427,119.02x = 4,729,475.99 × 1,878,368.33 - Step 4: Simplify right side
3,427,119.02x = 8,883,697,917,111.40 - Step 5: Solve for x
x = 8,883,697,917,111.40/3,427,119.02 - Step 6: Final answer
x = 2,592,176.65
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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.