Finding the Fourth Proportional to 1,903,321.36, 2,626,341.36 and 1,087,577.80
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Solution
The fourth proportional to 1,903,321.36, 2,626,341.36 and 1,087,577.80 is: 1,500,719.02
Step by Step Solution
- Step 1: Write the proportion equation
1,903,321.36 : 2,626,341.36 = 1,087,577.80 : x - Step 2: Convert to fraction form
1,903,321.36/2,626,341.36 = 1,087,577.80/x - Step 3: Cross multiply
1,903,321.36x = 2,626,341.36 × 1,087,577.80 - Step 4: Simplify right side
1,903,321.36x = 2,856,350,558,357.81 - Step 5: Solve for x
x = 2,856,350,558,357.81/1,903,321.36 - Step 6: Final answer
x = 1,500,719.02
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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.