Finding the Fourth Proportional to 1,643,645.50, 2,466,021.95 and 1,035,727.94
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Solution
The fourth proportional to 1,643,645.50, 2,466,021.95 and 1,035,727.94 is: 1,553,940.82
Step by Step Solution
- Step 1: Write the proportion equation
1,643,645.50 : 2,466,021.95 = 1,035,727.94 : x - Step 2: Convert to fraction form
1,643,645.50/2,466,021.95 = 1,035,727.94/x - Step 3: Cross multiply
1,643,645.50x = 2,466,021.95 × 1,035,727.94 - Step 4: Simplify right side
1,643,645.50x = 2,554,127,834,268.28 - Step 5: Solve for x
x = 2,554,127,834,268.28/1,643,645.50 - Step 6: Final answer
x = 1,553,940.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.