Finding the Fourth Proportional to 4,983,869.40, 6,877,740.02 and 2,692,030.09
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Solution
The fourth proportional to 4,983,869.40, 6,877,740.02 and 2,692,030.09 is: 3,715,001.66
Step by Step Solution
- Step 1: Write the proportion equation
4,983,869.40 : 6,877,740.02 = 2,692,030.09 : x - Step 2: Convert to fraction form
4,983,869.40/6,877,740.02 = 2,692,030.09/x - Step 3: Cross multiply
4,983,869.40x = 6,877,740.02 × 2,692,030.09 - Step 4: Simplify right side
4,983,869.40x = 18,515,083,082,421.13 - Step 5: Solve for x
x = 18,515,083,082,421.13/4,983,869.40 - Step 6: Final answer
x = 3,715,001.66
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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.