Finding the Fourth Proportional to 1,783,697.19, 2,457,462.14 and 1,698,666.63
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Solution
The fourth proportional to 1,783,697.19, 2,457,462.14 and 1,698,666.63 is: 2,340,312.55
Step by Step Solution
- Step 1: Write the proportion equation
1,783,697.19 : 2,457,462.14 = 1,698,666.63 : x - Step 2: Convert to fraction form
1,783,697.19/2,457,462.14 = 1,698,666.63/x - Step 3: Cross multiply
1,783,697.19x = 2,457,462.14 × 1,698,666.63 - Step 4: Simplify right side
1,783,697.19x = 4,174,408,923,213.05 - Step 5: Solve for x
x = 4,174,408,923,213.05/1,783,697.19 - Step 6: Final answer
x = 2,340,312.55
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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.