Finding the Fourth Proportional to 2,878,363.35, 3,972,203.35 and 1,589,285.21
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Solution
The fourth proportional to 2,878,363.35, 3,972,203.35 and 1,589,285.21 is: 2,193,247.77
Step by Step Solution
- Step 1: Write the proportion equation
2,878,363.35 : 3,972,203.35 = 1,589,285.21 : x - Step 2: Convert to fraction form
2,878,363.35/3,972,203.35 = 1,589,285.21/x - Step 3: Cross multiply
2,878,363.35x = 3,972,203.35 × 1,589,285.21 - Step 4: Simplify right side
2,878,363.35x = 6,312,964,011,433.23 - Step 5: Solve for x
x = 6,312,964,011,433.23/2,878,363.35 - Step 6: Final answer
x = 2,193,247.77
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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.