Finding the Fourth Proportional to 1,689,448.11, 2,331,496.47 and 925,501.47
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Solution
The fourth proportional to 1,689,448.11, 2,331,496.47 and 925,501.47 is: 1,277,223.84
Step by Step Solution
- Step 1: Write the proportion equation
1,689,448.11 : 2,331,496.47 = 925,501.47 : x - Step 2: Convert to fraction form
1,689,448.11/2,331,496.47 = 925,501.47/x - Step 3: Cross multiply
1,689,448.11x = 2,331,496.47 × 925,501.47 - Step 4: Simplify right side
1,689,448.11x = 2,157,803,410,284.81 - Step 5: Solve for x
x = 2,157,803,410,284.81/1,689,448.11 - Step 6: Final answer
x = 1,277,223.84
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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.