Finding the Fourth Proportional to 2,890,718.20, 4,331,573.70 and 1,092,620.80
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Solution
The fourth proportional to 2,890,718.20, 4,331,573.70 and 1,092,620.80 is: 1,637,228.95
Step by Step Solution
- Step 1: Write the proportion equation
2,890,718.20 : 4,331,573.70 = 1,092,620.80 : x - Step 2: Convert to fraction form
2,890,718.20/4,331,573.70 = 1,092,620.80/x - Step 3: Cross multiply
2,890,718.20x = 4,331,573.70 × 1,092,620.80 - Step 4: Simplify right side
2,890,718.20x = 4,732,767,521,352.96 - Step 5: Solve for x
x = 4,732,767,521,352.96/2,890,718.20 - Step 6: Final answer
x = 1,637,228.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.