Finding the Fourth Proportional to 3,429,685.92, 4,732,625.55 and 1,979,848.44
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Solution
The fourth proportional to 3,429,685.92, 4,732,625.55 and 1,979,848.44 is: 2,731,993.99
Step by Step Solution
- Step 1: Write the proportion equation
3,429,685.92 : 4,732,625.55 = 1,979,848.44 : x - Step 2: Convert to fraction form
3,429,685.92/4,732,625.55 = 1,979,848.44/x - Step 3: Cross multiply
3,429,685.92x = 4,732,625.55 × 1,979,848.44 - Step 4: Simplify right side
3,429,685.92x = 9,369,881,312,271.64 - Step 5: Solve for x
x = 9,369,881,312,271.64/3,429,685.92 - Step 6: Final answer
x = 2,731,993.99
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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.