Finding the Fourth Proportional to 3,429,667.49, 4,732,599.96 and 1,979,829.99
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Solution
The fourth proportional to 3,429,667.49, 4,732,599.96 and 1,979,829.99 is: 2,731,968.44
Step by Step Solution
- Step 1: Write the proportion equation
3,429,667.49 : 4,732,599.96 = 1,979,829.99 : x - Step 2: Convert to fraction form
3,429,667.49/4,732,599.96 = 1,979,829.99/x - Step 3: Cross multiply
3,429,667.49x = 4,732,599.96 × 1,979,829.99 - Step 4: Simplify right side
3,429,667.49x = 9,369,743,331,480.80 - Step 5: Solve for x
x = 9,369,743,331,480.80/3,429,667.49 - Step 6: Final answer
x = 2,731,968.44
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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.