Finding the Fourth Proportional to 4,896,536.18, 6,757,257.21 and 2,721,283.34
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Solution
The fourth proportional to 4,896,536.18, 6,757,257.21 and 2,721,283.34 is: 3,755,391.73
Step by Step Solution
- Step 1: Write the proportion equation
4,896,536.18 : 6,757,257.21 = 2,721,283.34 : x - Step 2: Convert to fraction form
4,896,536.18/6,757,257.21 = 2,721,283.34/x - Step 3: Cross multiply
4,896,536.18x = 6,757,257.21 × 2,721,283.34 - Step 4: Simplify right side
4,896,536.18x = 18,388,411,469,667.88 - Step 5: Solve for x
x = 18,388,411,469,667.88/4,896,536.18 - Step 6: Final answer
x = 3,755,391.73
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1.5x scale
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.