Finding the Fourth Proportional to 1,539,869.56, 2,310,202.98 and 474,888.12
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Solution
The fourth proportional to 1,539,869.56, 2,310,202.98 and 474,888.12 is: 712,455.12
Step by Step Solution
- Step 1: Write the proportion equation
1,539,869.56 : 2,310,202.98 = 474,888.12 : x - Step 2: Convert to fraction form
1,539,869.56/2,310,202.98 = 474,888.12/x - Step 3: Cross multiply
1,539,869.56x = 2,310,202.98 × 474,888.12 - Step 4: Simplify right side
1,539,869.56x = 1,097,087,949,990.60 - Step 5: Solve for x
x = 1,097,087,949,990.60/1,539,869.56 - Step 6: Final answer
x = 712,455.12
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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.