Finding the Fourth Proportional to 2,977,518.60, 4,467,026.16 and 955,943.28
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Solution
The fourth proportional to 2,977,518.60, 4,467,026.16 and 955,943.28 is: 1,434,155.15
Step by Step Solution
- Step 1: Write the proportion equation
2,977,518.60 : 4,467,026.16 = 955,943.28 : x - Step 2: Convert to fraction form
2,977,518.60/4,467,026.16 = 955,943.28/x - Step 3: Cross multiply
2,977,518.60x = 4,467,026.16 × 955,943.28 - Step 4: Simplify right side
2,977,518.60x = 4,270,223,639,236.21 - Step 5: Solve for x
x = 4,270,223,639,236.21/2,977,518.60 - Step 6: Final answer
x = 1,434,155.15
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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.