Finding the Fourth Proportional to 1,533,149.54, 2,115,746.42 and 888,943.42
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Solution
The fourth proportional to 1,533,149.54, 2,115,746.42 and 888,943.42 is: 1,226,741.95
Step by Step Solution
- Step 1: Write the proportion equation
1,533,149.54 : 2,115,746.42 = 888,943.42 : x - Step 2: Convert to fraction form
1,533,149.54/2,115,746.42 = 888,943.42/x - Step 3: Cross multiply
1,533,149.54x = 2,115,746.42 × 888,943.42 - Step 4: Simplify right side
1,533,149.54x = 1,880,778,858,447.56 - Step 5: Solve for x
x = 1,880,778,858,447.56/1,533,149.54 - Step 6: Final answer
x = 1,226,741.95
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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.