Finding the Fourth Proportional to 4,813,554.36, 6,638,878.56 and 4,090,794.60
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Solution
The fourth proportional to 4,813,554.36, 6,638,878.56 and 4,090,794.60 is: 5,642,044.64
Step by Step Solution
- Step 1: Write the proportion equation
4,813,554.36 : 6,638,878.56 = 4,090,794.60 : x - Step 2: Convert to fraction form
4,813,554.36/6,638,878.56 = 4,090,794.60/x - Step 3: Cross multiply
4,813,554.36x = 6,638,878.56 × 4,090,794.60 - Step 4: Simplify right side
4,813,554.36x = 27,158,288,563,303.77 - Step 5: Solve for x
x = 27,158,288,563,303.77/4,813,554.36 - Step 6: Final answer
x = 5,642,044.64
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1.5x scale
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.