Finding the Fourth Proportional to 2,058,349.36, 3,087,375.73 and 638,368.53
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Solution
The fourth proportional to 2,058,349.36, 3,087,375.73 and 638,368.53 is: 957,506.80
Step by Step Solution
- Step 1: Write the proportion equation
2,058,349.36 : 3,087,375.73 = 638,368.53 : x - Step 2: Convert to fraction form
2,058,349.36/3,087,375.73 = 638,368.53/x - Step 3: Cross multiply
2,058,349.36x = 3,087,375.73 × 638,368.53 - Step 4: Simplify right side
2,058,349.36x = 1,970,883,506,317.78 - Step 5: Solve for x
x = 1,970,883,506,317.78/2,058,349.36 - Step 6: Final answer
x = 957,506.80
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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.