Finding the Fourth Proportional to 2,533,809.18, 3,496,657.50 and 1,387,930.80
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Solution
The fourth proportional to 2,533,809.18, 3,496,657.50 and 1,387,930.80 is: 1,915,344.96
Step by Step Solution
- Step 1: Write the proportion equation
2,533,809.18 : 3,496,657.50 = 1,387,930.80 : x - Step 2: Convert to fraction form
2,533,809.18/3,496,657.50 = 1,387,930.80/x - Step 3: Cross multiply
2,533,809.18x = 3,496,657.50 × 1,387,930.80 - Step 4: Simplify right side
2,533,809.18x = 4,853,118,641,301 - Step 5: Solve for x
x = 4,853,118,641,301/2,533,809.18 - Step 6: Final answer
x = 1,915,344.96
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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.