Finding the Fourth Proportional to 2,918,937.63, 4,028,383.02 and 1,630,027.14
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Solution
The fourth proportional to 2,918,937.63, 4,028,383.02 and 1,630,027.14 is: 2,249,576.55
Step by Step Solution
- Step 1: Write the proportion equation
2,918,937.63 : 4,028,383.02 = 1,630,027.14 : x - Step 2: Convert to fraction form
2,918,937.63/4,028,383.02 = 1,630,027.14/x - Step 3: Cross multiply
2,918,937.63x = 4,028,383.02 × 1,630,027.14 - Step 4: Simplify right side
2,918,937.63x = 6,566,373,652,915.16 - Step 5: Solve for x
x = 6,566,373,652,915.16/2,918,937.63 - Step 6: Final answer
x = 2,249,576.55
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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.