Finding the Fourth Proportional to 2,137,693.26, 2,950,064.45 and 1,219,904.13
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Solution
The fourth proportional to 2,137,693.26, 2,950,064.45 and 1,219,904.13 is: 1,683,494.95
Step by Step Solution
- Step 1: Write the proportion equation
2,137,693.26 : 2,950,064.45 = 1,219,904.13 : x - Step 2: Convert to fraction form
2,137,693.26/2,950,064.45 = 1,219,904.13/x - Step 3: Cross multiply
2,137,693.26x = 2,950,064.45 × 1,219,904.13 - Step 4: Simplify right side
2,137,693.26x = 3,598,795,806,321.18 - Step 5: Solve for x
x = 3,598,795,806,321.18/2,137,693.26 - Step 6: Final answer
x = 1,683,494.95
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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.