Finding the Fourth Proportional to 1,621,379.36, 2,237,725.80 and 933,037.10
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Solution
The fourth proportional to 1,621,379.36, 2,237,725.80 and 933,037.10 is: 1,287,719.11
Step by Step Solution
- Step 1: Write the proportion equation
1,621,379.36 : 2,237,725.80 = 933,037.10 : x - Step 2: Convert to fraction form
1,621,379.36/2,237,725.80 = 933,037.10/x - Step 3: Cross multiply
1,621,379.36x = 2,237,725.80 × 933,037.10 - Step 4: Simplify right side
1,621,379.36x = 2,087,881,191,027.18 - Step 5: Solve for x
x = 2,087,881,191,027.18/1,621,379.36 - Step 6: Final answer
x = 1,287,719.11
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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.