Finding the Fourth Proportional to 2,381,088.64, 3,285,937.68 and 1,293,381.44
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Solution
The fourth proportional to 2,381,088.64, 3,285,937.68 and 1,293,381.44 is: 1,784,885.59
Step by Step Solution
- Step 1: Write the proportion equation
2,381,088.64 : 3,285,937.68 = 1,293,381.44 : x - Step 2: Convert to fraction form
2,381,088.64/3,285,937.68 = 1,293,381.44/x - Step 3: Cross multiply
2,381,088.64x = 3,285,937.68 × 1,293,381.44 - Step 4: Simplify right side
2,381,088.64x = 4,249,970,808,308.66 - Step 5: Solve for x
x = 4,249,970,808,308.66/2,381,088.64 - Step 6: Final answer
x = 1,784,885.59
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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.