Finding the Fourth Proportional to 1,539,425.29, 2,124,465.99 and 1,022,285.15
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Solution
The fourth proportional to 1,539,425.29, 2,124,465.99 and 1,022,285.15 is: 1,410,792.75
Step by Step Solution
- Step 1: Write the proportion equation
1,539,425.29 : 2,124,465.99 = 1,022,285.15 : x - Step 2: Convert to fraction form
1,539,425.29/2,124,465.99 = 1,022,285.15/x - Step 3: Cross multiply
1,539,425.29x = 2,124,465.99 × 1,022,285.15 - Step 4: Simplify right side
1,539,425.29x = 2,171,810,033,257.05 - Step 5: Solve for x
x = 2,171,810,033,257.05/1,539,425.29 - Step 6: Final answer
x = 1,410,792.75
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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.