Finding the Fourth Proportional to 1,550,508.36, 2,139,220.44 and 905,463.24
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Solution
The fourth proportional to 1,550,508.36, 2,139,220.44 and 905,463.24 is: 1,249,258.32
Step by Step Solution
- Step 1: Write the proportion equation
1,550,508.36 : 2,139,220.44 = 905,463.24 : x - Step 2: Convert to fraction form
1,550,508.36/2,139,220.44 = 905,463.24/x - Step 3: Cross multiply
1,550,508.36x = 2,139,220.44 × 905,463.24 - Step 4: Simplify right side
1,550,508.36x = 1,936,985,470,676.63 - Step 5: Solve for x
x = 1,936,985,470,676.63/1,550,508.36 - Step 6: Final answer
x = 1,249,258.32
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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.