Finding the Fourth Proportional to 2,186,293.74, 3,017,089.50 and 1,219,486.65
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Solution
The fourth proportional to 2,186,293.74, 3,017,089.50 and 1,219,486.65 is: 1,682,893.89
Step by Step Solution
- Step 1: Write the proportion equation
2,186,293.74 : 3,017,089.50 = 1,219,486.65 : x - Step 2: Convert to fraction form
2,186,293.74/3,017,089.50 = 1,219,486.65/x - Step 3: Cross multiply
2,186,293.74x = 3,017,089.50 × 1,219,486.65 - Step 4: Simplify right side
2,186,293.74x = 3,679,300,367,105.18 - Step 5: Solve for x
x = 3,679,300,367,105.18/2,186,293.74 - Step 6: Final answer
x = 1,682,893.89
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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.