Finding the Fourth Proportional to 3,458,368.51, 5,184,879.97 and 1,299,347.94
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Solution
The fourth proportional to 3,458,368.51, 5,184,879.97 and 1,299,347.94 is: 1,948,017.70
Step by Step Solution
- Step 1: Write the proportion equation
3,458,368.51 : 5,184,879.97 = 1,299,347.94 : x - Step 2: Convert to fraction form
3,458,368.51/5,184,879.97 = 1,299,347.94/x - Step 3: Cross multiply
3,458,368.51x = 5,184,879.97 × 1,299,347.94 - Step 4: Simplify right side
3,458,368.51x = 6,736,963,085,475.09 - Step 5: Solve for x
x = 6,736,963,085,475.09/3,458,368.51 - Step 6: Final answer
x = 1,948,017.70
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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.