Finding the Fourth Proportional to 6,646,028.70, 9,963,028.80 and 4,625,240.70
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Solution
The fourth proportional to 6,646,028.70, 9,963,028.80 and 4,625,240.70 is: 6,933,675.49
Step by Step Solution
- Step 1: Write the proportion equation
6,646,028.70 : 9,963,028.80 = 4,625,240.70 : x - Step 2: Convert to fraction form
6,646,028.70/9,963,028.80 = 4,625,240.70/x - Step 3: Cross multiply
6,646,028.70x = 9,963,028.80 × 4,625,240.70 - Step 4: Simplify right side
6,646,028.70x = 46,081,406,301,032.16 - Step 5: Solve for x
x = 46,081,406,301,032.16/6,646,028.70 - Step 6: Final answer
x = 6,933,675.49
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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.