Finding the Fourth Proportional to 1,840,340.20, 2,539,730.01 and 1,013,501.92
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Solution
The fourth proportional to 1,840,340.20, 2,539,730.01 and 1,013,501.92 is: 1,398,665.99
Step by Step Solution
- Step 1: Write the proportion equation
1,840,340.20 : 2,539,730.01 = 1,013,501.92 : x - Step 2: Convert to fraction form
1,840,340.20/2,539,730.01 = 1,013,501.92/x - Step 3: Cross multiply
1,840,340.20x = 2,539,730.01 × 1,013,501.92 - Step 4: Simplify right side
1,840,340.20x = 2,574,021,241,416.62 - Step 5: Solve for x
x = 2,574,021,241,416.62/1,840,340.20 - Step 6: Final answer
x = 1,398,665.99
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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.