Finding the Fourth Proportional to 1,532,737.35, 2,115,018.74 and 943,943.63
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Solution
The fourth proportional to 1,532,737.35, 2,115,018.74 and 943,943.63 is: 1,302,544.40
Step by Step Solution
- Step 1: Write the proportion equation
1,532,737.35 : 2,115,018.74 = 943,943.63 : x - Step 2: Convert to fraction form
1,532,737.35/2,115,018.74 = 943,943.63/x - Step 3: Cross multiply
1,532,737.35x = 2,115,018.74 × 943,943.63 - Step 4: Simplify right side
1,532,737.35x = 1,996,458,458,738.39 - Step 5: Solve for x
x = 1,996,458,458,738.39/1,532,737.35 - Step 6: Final answer
x = 1,302,544.40
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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.