Finding the Fourth Proportional to 1,679,393.36, 2,315,733.36 and 1,134,583.04
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Solution
The fourth proportional to 1,679,393.36, 2,315,733.36 and 1,134,583.04 is: 1,564,488.62
Step by Step Solution
- Step 1: Write the proportion equation
1,679,393.36 : 2,315,733.36 = 1,134,583.04 : x - Step 2: Convert to fraction form
1,679,393.36/2,315,733.36 = 1,134,583.04/x - Step 3: Cross multiply
1,679,393.36x = 2,315,733.36 × 1,134,583.04 - Step 4: Simplify right side
1,679,393.36x = 2,627,391,795,418.21 - Step 5: Solve for x
x = 2,627,391,795,418.21/1,679,393.36 - Step 6: Final answer
x = 1,564,488.62
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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.