Finding the Fourth Proportional to 1,440,712.64, 2,160,390.72 and 841,846.70
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Solution
The fourth proportional to 1,440,712.64, 2,160,390.72 and 841,846.70 is: 1,262,373.74
Step by Step Solution
- Step 1: Write the proportion equation
1,440,712.64 : 2,160,390.72 = 841,846.70 : x - Step 2: Convert to fraction form
1,440,712.64/2,160,390.72 = 841,846.70/x - Step 3: Cross multiply
1,440,712.64x = 2,160,390.72 × 841,846.70 - Step 4: Simplify right side
1,440,712.64x = 1,818,717,798,342.62 - Step 5: Solve for x
x = 1,818,717,798,342.62/1,440,712.64 - Step 6: Final answer
x = 1,262,373.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.