Finding the Fourth Proportional to 2,487,257.96, 3,432,376.24 and 1,399,528.91
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Solution
The fourth proportional to 2,487,257.96, 3,432,376.24 and 1,399,528.91 is: 1,931,327.53
Step by Step Solution
- Step 1: Write the proportion equation
2,487,257.96 : 3,432,376.24 = 1,399,528.91 : x - Step 2: Convert to fraction form
2,487,257.96/3,432,376.24 = 1,399,528.91/x - Step 3: Cross multiply
2,487,257.96x = 3,432,376.24 × 1,399,528.91 - Step 4: Simplify right side
2,487,257.96x = 4,803,709,777,877.10 - Step 5: Solve for x
x = 4,803,709,777,877.10/2,487,257.96 - Step 6: Final answer
x = 1,931,327.53
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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.