Finding the Fourth Proportional to 1,595,416.89, 2,201,689.36 and 870,267.84
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Solution
The fourth proportional to 1,595,416.89, 2,201,689.36 and 870,267.84 is: 1,200,977.28
Step by Step Solution
- Step 1: Write the proportion equation
1,595,416.89 : 2,201,689.36 = 870,267.84 : x - Step 2: Convert to fraction form
1,595,416.89/2,201,689.36 = 870,267.84/x - Step 3: Cross multiply
1,595,416.89x = 2,201,689.36 × 870,267.84 - Step 4: Simplify right side
1,595,416.89x = 1,916,059,443,678.18 - Step 5: Solve for x
x = 1,916,059,443,678.18/1,595,416.89 - Step 6: Final answer
x = 1,200,977.28
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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.