Finding the Fourth Proportional to 2,177,702.79, 3,266,990.21 and 1,219,521.02
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Solution
The fourth proportional to 2,177,702.79, 3,266,990.21 and 1,219,521.02 is: 1,829,525.71
Step by Step Solution
- Step 1: Write the proportion equation
2,177,702.79 : 3,266,990.21 = 1,219,521.02 : x - Step 2: Convert to fraction form
2,177,702.79/3,266,990.21 = 1,219,521.02/x - Step 3: Cross multiply
2,177,702.79x = 3,266,990.21 × 1,219,521.02 - Step 4: Simplify right side
2,177,702.79x = 3,984,163,233,229.21 - Step 5: Solve for x
x = 3,984,163,233,229.21/2,177,702.79 - Step 6: Final answer
x = 1,829,525.71
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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.