Finding the Fourth Proportional to 5,081,637.36, 7,652,878.98 and 4,628,141.04
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Solution
The fourth proportional to 5,081,637.36, 7,652,878.98 and 4,628,141.04 is: 6,969,919.49
Step by Step Solution
- Step 1: Write the proportion equation
5,081,637.36 : 7,652,878.98 = 4,628,141.04 : x - Step 2: Convert to fraction form
5,081,637.36/7,652,878.98 = 4,628,141.04/x - Step 3: Cross multiply
5,081,637.36x = 7,652,878.98 × 4,628,141.04 - Step 4: Simplify right side
5,081,637.36x = 35,418,603,281,491.34 - Step 5: Solve for x
x = 35,418,603,281,491.34/5,081,637.36 - Step 6: Final answer
x = 6,969,919.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.