Finding the Fourth Proportional to 1,712,659.76, 2,363,440.92 and 948,697.28
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Solution
The fourth proportional to 1,712,659.76, 2,363,440.92 and 948,697.28 is: 1,309,185.88
Step by Step Solution
- Step 1: Write the proportion equation
1,712,659.76 : 2,363,440.92 = 948,697.28 : x - Step 2: Convert to fraction form
1,712,659.76/2,363,440.92 = 948,697.28/x - Step 3: Cross multiply
1,712,659.76x = 2,363,440.92 × 948,697.28 - Step 4: Simplify right side
1,712,659.76x = 2,242,189,972,244.70 - Step 5: Solve for x
x = 2,242,189,972,244.70/1,712,659.76 - Step 6: Final answer
x = 1,309,185.88
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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.