Finding the Fourth Proportional to 2,072,800.80, 3,103,952.40 and 1,537,423.20
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Solution
The fourth proportional to 2,072,800.80, 3,103,952.40 and 1,537,423.20 is: 2,302,241.70
Step by Step Solution
- Step 1: Write the proportion equation
2,072,800.80 : 3,103,952.40 = 1,537,423.20 : x - Step 2: Convert to fraction form
2,072,800.80/3,103,952.40 = 1,537,423.20/x - Step 3: Cross multiply
2,072,800.80x = 3,103,952.40 × 1,537,423.20 - Step 4: Simplify right side
2,072,800.80x = 4,772,088,431,455.68 - Step 5: Solve for x
x = 4,772,088,431,455.68/2,072,800.80 - Step 6: Final answer
x = 2,302,241.70
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1.5x scale
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.