Finding the Fourth Proportional to 1,470,203.32, 2,028,929.70 and 825,737.08
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Solution
The fourth proportional to 1,470,203.32, 2,028,929.70 and 825,737.08 is: 1,139,544.76
Step by Step Solution
- Step 1: Write the proportion equation
1,470,203.32 : 2,028,929.70 = 825,737.08 : x - Step 2: Convert to fraction form
1,470,203.32/2,028,929.70 = 825,737.08/x - Step 3: Cross multiply
1,470,203.32x = 2,028,929.70 × 825,737.08 - Step 4: Simplify right side
1,470,203.32x = 1,675,362,486,003.28 - Step 5: Solve for x
x = 1,675,362,486,003.28/1,470,203.32 - Step 6: Final answer
x = 1,139,544.76
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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.