Finding the Fourth Proportional to 1,811,009.23, 2,498,152.12 and 1,130,764.75
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Solution
The fourth proportional to 1,811,009.23, 2,498,152.12 and 1,130,764.75 is: 1,559,805.61
Step by Step Solution
- Step 1: Write the proportion equation
1,811,009.23 : 2,498,152.12 = 1,130,764.75 : x - Step 2: Convert to fraction form
1,811,009.23/2,498,152.12 = 1,130,764.75/x - Step 3: Cross multiply
1,811,009.23x = 2,498,152.12 × 1,130,764.75 - Step 4: Simplify right side
1,811,009.23x = 2,824,822,352,601.85 - Step 5: Solve for x
x = 2,824,822,352,601.85/1,811,009.23 - Step 6: Final answer
x = 1,559,805.61
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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.