Finding the Fourth Proportional to 2,158,617.60, 3,238,315.20 and 896,572.80
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Solution
The fourth proportional to 2,158,617.60, 3,238,315.20 and 896,572.80 is: 1,345,020.69
Step by Step Solution
- Step 1: Write the proportion equation
2,158,617.60 : 3,238,315.20 = 896,572.80 : x - Step 2: Convert to fraction form
2,158,617.60/3,238,315.20 = 896,572.80/x - Step 3: Cross multiply
2,158,617.60x = 3,238,315.20 × 896,572.80 - Step 4: Simplify right side
2,158,617.60x = 2,903,385,326,146.56 - Step 5: Solve for x
x = 2,903,385,326,146.56/2,158,617.60 - Step 6: Final answer
x = 1,345,020.69
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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.