Finding the Fourth Proportional to 3,087,139.95, 4,258,896.09 and 1,862,762.58
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Solution
The fourth proportional to 3,087,139.95, 4,258,896.09 and 1,862,762.58 is: 2,569,793.53
Step by Step Solution
- Step 1: Write the proportion equation
3,087,139.95 : 4,258,896.09 = 1,862,762.58 : x - Step 2: Convert to fraction form
3,087,139.95/4,258,896.09 = 1,862,762.58/x - Step 3: Cross multiply
3,087,139.95x = 4,258,896.09 × 1,862,762.58 - Step 4: Simplify right side
3,087,139.95x = 7,933,312,268,560.31 - Step 5: Solve for x
x = 7,933,312,268,560.31/3,087,139.95 - Step 6: Final answer
x = 2,569,793.53
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1.5x scale
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.