Finding the Fourth Proportional to 3,230,102.40, 4,457,482.56 and 1,779,931.68
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Solution
The fourth proportional to 3,230,102.40, 4,457,482.56 and 1,779,931.68 is: 2,456,273.34
Step by Step Solution
- Step 1: Write the proportion equation
3,230,102.40 : 4,457,482.56 = 1,779,931.68 : x - Step 2: Convert to fraction form
3,230,102.40/4,457,482.56 = 1,779,931.68/x - Step 3: Cross multiply
3,230,102.40x = 4,457,482.56 × 1,779,931.68 - Step 4: Simplify right side
3,230,102.40x = 7,934,014,421,591.50 - Step 5: Solve for x
x = 7,934,014,421,591.50/3,230,102.40 - Step 6: Final answer
x = 2,456,273.34
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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.