Finding the Fourth Proportional to 4,896,617.70, 7,344,926.55 and 2,657,129.70
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Solution
The fourth proportional to 4,896,617.70, 7,344,926.55 and 2,657,129.70 is: 3,985,694.55
Step by Step Solution
- Step 1: Write the proportion equation
4,896,617.70 : 7,344,926.55 = 2,657,129.70 : x - Step 2: Convert to fraction form
4,896,617.70/7,344,926.55 = 2,657,129.70/x - Step 3: Cross multiply
4,896,617.70x = 7,344,926.55 × 2,657,129.70 - Step 4: Simplify right side
4,896,617.70x = 19,516,422,480,323.54 - Step 5: Solve for x
x = 19,516,422,480,323.54/4,896,617.70 - Step 6: Final answer
x = 3,985,694.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.