Finding the Fourth Proportional to 1,684,878.96, 2,325,129.60 and 959,726.40
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Solution
The fourth proportional to 1,684,878.96, 2,325,129.60 and 959,726.40 is: 1,324,420.52
Step by Step Solution
- Step 1: Write the proportion equation
1,684,878.96 : 2,325,129.60 = 959,726.40 : x - Step 2: Convert to fraction form
1,684,878.96/2,325,129.60 = 959,726.40/x - Step 3: Cross multiply
1,684,878.96x = 2,325,129.60 × 959,726.40 - Step 4: Simplify right side
1,684,878.96x = 2,231,488,260,541.44 - Step 5: Solve for x
x = 2,231,488,260,541.44/1,684,878.96 - Step 6: Final answer
x = 1,324,420.52
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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.