Finding the Fourth Proportional to 1,484,883.12, 2,049,121.08 and 873,430.32
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Solution
The fourth proportional to 1,484,883.12, 2,049,121.08 and 873,430.32 is: 1,205,323.47
Step by Step Solution
- Step 1: Write the proportion equation
1,484,883.12 : 2,049,121.08 = 873,430.32 : x - Step 2: Convert to fraction form
1,484,883.12/2,049,121.08 = 873,430.32/x - Step 3: Cross multiply
1,484,883.12x = 2,049,121.08 × 873,430.32 - Step 4: Simplify right side
1,484,883.12x = 1,789,764,480,623.15 - Step 5: Solve for x
x = 1,789,764,480,623.15/1,484,883.12 - Step 6: Final answer
x = 1,205,323.47
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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.