Finding the Fourth Proportional to 1,916,972.06, 2,874,473.93 and 637,117.79
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Solution
The fourth proportional to 1,916,972.06, 2,874,473.93 and 637,117.79 is: 955,349.59
Step by Step Solution
- Step 1: Write the proportion equation
1,916,972.06 : 2,874,473.93 = 637,117.79 : x - Step 2: Convert to fraction form
1,916,972.06/2,874,473.93 = 637,117.79/x - Step 3: Cross multiply
1,916,972.06x = 2,874,473.93 × 637,117.79 - Step 4: Simplify right side
1,916,972.06x = 1,831,378,464,914.64 - Step 5: Solve for x
x = 1,831,378,464,914.64/1,916,972.06 - Step 6: Final answer
x = 955,349.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.