Finding the Fourth Proportional to 2,029,068.80, 2,800,165.12 and 1,111,336.62
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Solution
The fourth proportional to 2,029,068.80, 2,800,165.12 and 1,111,336.62 is: 1,533,672.02
Step by Step Solution
- Step 1: Write the proportion equation
2,029,068.80 : 2,800,165.12 = 1,111,336.62 : x - Step 2: Convert to fraction form
2,029,068.80/2,800,165.12 = 1,111,336.62/x - Step 3: Cross multiply
2,029,068.80x = 2,800,165.12 × 1,111,336.62 - Step 4: Simplify right side
2,029,068.80x = 3,111,926,039,902.70 - Step 5: Solve for x
x = 3,111,926,039,902.70/2,029,068.80 - Step 6: Final answer
x = 1,533,672.02
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1.5x scale
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.