Finding the Fourth Proportional to 1,475,115.70, 2,212,673.55 and 976,479.70
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Solution
The fourth proportional to 1,475,115.70, 2,212,673.55 and 976,479.70 is: 1,464,719.55
Step by Step Solution
- Step 1: Write the proportion equation
1,475,115.70 : 2,212,673.55 = 976,479.70 : x - Step 2: Convert to fraction form
1,475,115.70/2,212,673.55 = 976,479.70/x - Step 3: Cross multiply
1,475,115.70x = 2,212,673.55 × 976,479.70 - Step 4: Simplify right side
1,475,115.70x = 2,160,630,804,301.93 - Step 5: Solve for x
x = 2,160,630,804,301.93/1,475,115.70 - Step 6: Final answer
x = 1,464,719.55
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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.