Finding the Fourth Proportional to 1,637,619.81, 2,259,924.30 and 949,699.53
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Solution
The fourth proportional to 1,637,619.81, 2,259,924.30 and 949,699.53 is: 1,310,590.55
Step by Step Solution
- Step 1: Write the proportion equation
1,637,619.81 : 2,259,924.30 = 949,699.53 : x - Step 2: Convert to fraction form
1,637,619.81/2,259,924.30 = 949,699.53/x - Step 3: Cross multiply
1,637,619.81x = 2,259,924.30 × 949,699.53 - Step 4: Simplify right side
1,637,619.81x = 2,146,249,040,797.08 - Step 5: Solve for x
x = 2,146,249,040,797.08/1,637,619.81 - Step 6: Final answer
x = 1,310,590.55
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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.