Finding the Fourth Proportional to 2,139,532.98, 2,952,880.70 and 1,365,497.79
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Solution
The fourth proportional to 2,139,532.98, 2,952,880.70 and 1,365,497.79 is: 1,884,594.49
Step by Step Solution
- Step 1: Write the proportion equation
2,139,532.98 : 2,952,880.70 = 1,365,497.79 : x - Step 2: Convert to fraction form
2,139,532.98/2,952,880.70 = 1,365,497.79/x - Step 3: Cross multiply
2,139,532.98x = 2,952,880.70 × 1,365,497.79 - Step 4: Simplify right side
2,139,532.98x = 4,032,152,063,156.16 - Step 5: Solve for x
x = 4,032,152,063,156.16/2,139,532.98 - Step 6: Final answer
x = 1,884,594.49
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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.