Finding the Fourth Proportional to 2,143,580.16, 2,958,064.08 and 1,213,267.94
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Solution
The fourth proportional to 2,143,580.16, 2,958,064.08 and 1,213,267.94 is: 1,674,266.44
Step by Step Solution
- Step 1: Write the proportion equation
2,143,580.16 : 2,958,064.08 = 1,213,267.94 : x - Step 2: Convert to fraction form
2,143,580.16/2,958,064.08 = 1,213,267.94/x - Step 3: Cross multiply
2,143,580.16x = 2,958,064.08 × 1,213,267.94 - Step 4: Simplify right side
2,143,580.16x = 3,588,924,312,729.60 - Step 5: Solve for x
x = 3,588,924,312,729.60/2,143,580.16 - Step 6: Final answer
x = 1,674,266.44
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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.