Finding the Fourth Proportional to 4,290,715.18, 6,435,973.14 and 2,160,227.26
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Solution
The fourth proportional to 4,290,715.18, 6,435,973.14 and 2,160,227.26 is: 3,240,290.73
Step by Step Solution
- Step 1: Write the proportion equation
4,290,715.18 : 6,435,973.14 = 2,160,227.26 : x - Step 2: Convert to fraction form
4,290,715.18/6,435,973.14 = 2,160,227.26/x - Step 3: Cross multiply
4,290,715.18x = 6,435,973.14 × 2,160,227.26 - Step 4: Simplify right side
4,290,715.18x = 13,903,164,621,655.79 - Step 5: Solve for x
x = 13,903,164,621,655.79/4,290,715.18 - Step 6: Final answer
x = 3,240,290.73
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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.