Finding the Fourth Proportional to 1,657,320.72, 2,289,353.94 and 1,299,265.08
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Solution
The fourth proportional to 1,657,320.72, 2,289,353.94 and 1,299,265.08 is: 1,794,750.76
Step by Step Solution
- Step 1: Write the proportion equation
1,657,320.72 : 2,289,353.94 = 1,299,265.08 : x - Step 2: Convert to fraction form
1,657,320.72/2,289,353.94 = 1,299,265.08/x - Step 3: Cross multiply
1,657,320.72x = 2,289,353.94 × 1,299,265.08 - Step 4: Simplify right side
1,657,320.72x = 2,974,477,630,002.42 - Step 5: Solve for x
x = 2,974,477,630,002.42/1,657,320.72 - Step 6: Final answer
x = 1,794,750.76
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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.