Finding the Fourth Proportional to 2,894,385.91, 3,994,497.86 and 1,605,641.48
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Solution
The fourth proportional to 2,894,385.91, 3,994,497.86 and 1,605,641.48 is: 2,215,921.33
Step by Step Solution
- Step 1: Write the proportion equation
2,894,385.91 : 3,994,497.86 = 1,605,641.48 : x - Step 2: Convert to fraction form
2,894,385.91/3,994,497.86 = 1,605,641.48/x - Step 3: Cross multiply
2,894,385.91x = 3,994,497.86 × 1,605,641.48 - Step 4: Simplify right side
2,894,385.91x = 6,413,731,478,782.55 - Step 5: Solve for x
x = 6,413,731,478,782.55/2,894,385.91 - Step 6: Final answer
x = 2,215,921.33
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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.