Finding the Fourth Proportional to 1,582,813.71, 2,183,312.48 and 1,292,846.67
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Solution
The fourth proportional to 1,582,813.71, 2,183,312.48 and 1,292,846.67 is: 1,783,335.74
Step by Step Solution
- Step 1: Write the proportion equation
1,582,813.71 : 2,183,312.48 = 1,292,846.67 : x - Step 2: Convert to fraction form
1,582,813.71/2,183,312.48 = 1,292,846.67/x - Step 3: Cross multiply
1,582,813.71x = 2,183,312.48 × 1,292,846.67 - Step 4: Simplify right side
1,582,813.71x = 2,822,688,262,873.21 - Step 5: Solve for x
x = 2,822,688,262,873.21/1,582,813.71 - Step 6: Final answer
x = 1,783,335.74
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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.