Finding the Fourth Proportional to 3,564,021.60, 5,341,366.80 and 1,432,360.80
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Solution
The fourth proportional to 3,564,021.60, 5,341,366.80 and 1,432,360.80 is: 2,146,666.12
Step by Step Solution
- Step 1: Write the proportion equation
3,564,021.60 : 5,341,366.80 = 1,432,360.80 : x - Step 2: Convert to fraction form
3,564,021.60/5,341,366.80 = 1,432,360.80/x - Step 3: Cross multiply
3,564,021.60x = 5,341,366.80 × 1,432,360.80 - Step 4: Simplify right side
3,564,021.60x = 7,650,764,422,741.44 - Step 5: Solve for x
x = 7,650,764,422,741.44/3,564,021.60 - Step 6: Final answer
x = 2,146,666.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.