Finding the Fourth Proportional to 1,424,725.23, 2,137,487.37 and 572,395.40
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Solution
The fourth proportional to 1,424,725.23, 2,137,487.37 and 572,395.40 is: 858,753.61
Step by Step Solution
- Step 1: Write the proportion equation
1,424,725.23 : 2,137,487.37 = 572,395.40 : x - Step 2: Convert to fraction form
1,424,725.23/2,137,487.37 = 572,395.40/x - Step 3: Cross multiply
1,424,725.23x = 2,137,487.37 × 572,395.40 - Step 4: Simplify right side
1,424,725.23x = 1,223,487,927,458.66 - Step 5: Solve for x
x = 1,223,487,927,458.66/1,424,725.23 - Step 6: Final answer
x = 858,753.61
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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.