Finding the Fourth Proportional to 2,073,398.94, 2,860,943.63 and 1,155,426.86
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Solution
The fourth proportional to 2,073,398.94, 2,860,943.63 and 1,155,426.86 is: 1,594,295.75
Step by Step Solution
- Step 1: Write the proportion equation
2,073,398.94 : 2,860,943.63 = 1,155,426.86 : x - Step 2: Convert to fraction form
2,073,398.94/2,860,943.63 = 1,155,426.86/x - Step 3: Cross multiply
2,073,398.94x = 2,860,943.63 × 1,155,426.86 - Step 4: Simplify right side
2,073,398.94x = 3,305,611,116,423.13 - Step 5: Solve for x
x = 3,305,611,116,423.13/2,073,398.94 - Step 6: Final answer
x = 1,594,295.75
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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.