Finding the Fourth Proportional to 1,571,590.84, 2,359,035.42 and 1,392,820.12
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Solution
The fourth proportional to 1,571,590.84, 2,359,035.42 and 1,392,820.12 is: 2,090,691.75
Step by Step Solution
- Step 1: Write the proportion equation
1,571,590.84 : 2,359,035.42 = 1,392,820.12 : x - Step 2: Convert to fraction form
1,571,590.84/2,359,035.42 = 1,392,820.12/x - Step 3: Cross multiply
1,571,590.84x = 2,359,035.42 × 1,392,820.12 - Step 4: Simplify right side
1,571,590.84x = 3,285,711,996,768.65 - Step 5: Solve for x
x = 3,285,711,996,768.65/1,571,590.84 - Step 6: Final answer
x = 2,090,691.75
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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.