Finding the Fourth Proportional to 1,603,915.36, 2,406,318.94 and 1,303,652.40
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Solution
The fourth proportional to 1,603,915.36, 2,406,318.94 and 1,303,652.40 is: 1,955,841.02
Step by Step Solution
- Step 1: Write the proportion equation
1,603,915.36 : 2,406,318.94 = 1,303,652.40 : x - Step 2: Convert to fraction form
1,603,915.36/2,406,318.94 = 1,303,652.40/x - Step 3: Cross multiply
1,603,915.36x = 2,406,318.94 × 1,303,652.40 - Step 4: Simplify right side
1,603,915.36x = 3,137,003,461,296.46 - Step 5: Solve for x
x = 3,137,003,461,296.46/1,603,915.36 - Step 6: Final answer
x = 1,955,841.02
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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.