Finding the Fourth Proportional to 3,207,840.63, 4,811,719.41 and 779,013.79
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Solution
The fourth proportional to 3,207,840.63, 4,811,719.41 and 779,013.79 is: 1,168,510.60
Step by Step Solution
- Step 1: Write the proportion equation
3,207,840.63 : 4,811,719.41 = 779,013.79 : x - Step 2: Convert to fraction form
3,207,840.63/4,811,719.41 = 779,013.79/x - Step 3: Cross multiply
3,207,840.63x = 4,811,719.41 × 779,013.79 - Step 4: Simplify right side
3,207,840.63x = 3,748,395,774,000.66 - Step 5: Solve for x
x = 3,748,395,774,000.66/3,207,840.63 - Step 6: Final answer
x = 1,168,510.60
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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.