Finding the Fourth Proportional to 1,889,228.04, 2,605,074.36 and 1,276,316.57
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Solution
The fourth proportional to 1,889,228.04, 2,605,074.36 and 1,276,316.57 is: 1,759,924.96
Step by Step Solution
- Step 1: Write the proportion equation
1,889,228.04 : 2,605,074.36 = 1,276,316.57 : x - Step 2: Convert to fraction form
1,889,228.04/2,605,074.36 = 1,276,316.57/x - Step 3: Cross multiply
1,889,228.04x = 2,605,074.36 × 1,276,316.57 - Step 4: Simplify right side
1,889,228.04x = 3,324,899,573,476.64 - Step 5: Solve for x
x = 3,324,899,573,476.64/1,889,228.04 - Step 6: Final answer
x = 1,759,924.96
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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.