Finding the Fourth Proportional to 1,513,311.12, 2,088,383.36 and 834,271.92
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Solution
The fourth proportional to 1,513,311.12, 2,088,383.36 and 834,271.92 is: 1,151,302.98
Step by Step Solution
- Step 1: Write the proportion equation
1,513,311.12 : 2,088,383.36 = 834,271.92 : x - Step 2: Convert to fraction form
1,513,311.12/2,088,383.36 = 834,271.92/x - Step 3: Cross multiply
1,513,311.12x = 2,088,383.36 × 834,271.92 - Step 4: Simplify right side
1,513,311.12x = 1,742,279,595,443.25 - Step 5: Solve for x
x = 1,742,279,595,443.25/1,513,311.12 - Step 6: Final answer
x = 1,151,302.98
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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.