Finding the Fourth Proportional to 1,963,587.91, 2,709,767.46 and 1,104,140.65
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Solution
The fourth proportional to 1,963,587.91, 2,709,767.46 and 1,104,140.65 is: 1,523,723.18
Step by Step Solution
- Step 1: Write the proportion equation
1,963,587.91 : 2,709,767.46 = 1,104,140.65 : x - Step 2: Convert to fraction form
1,963,587.91/2,709,767.46 = 1,104,140.65/x - Step 3: Cross multiply
1,963,587.91x = 2,709,767.46 × 1,104,140.65 - Step 4: Simplify right side
1,963,587.91x = 2,991,964,404,633.25 - Step 5: Solve for x
x = 2,991,964,404,633.25/1,963,587.91 - Step 6: Final answer
x = 1,523,723.18
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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.