Finding the Fourth Proportional to 5,162,681.12, 7,124,673.04 and 2,839,671.84
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Solution
The fourth proportional to 5,162,681.12, 7,124,673.04 and 2,839,671.84 is: 3,918,842.35
Step by Step Solution
- Step 1: Write the proportion equation
5,162,681.12 : 7,124,673.04 = 2,839,671.84 : x - Step 2: Convert to fraction form
5,162,681.12/7,124,673.04 = 2,839,671.84/x - Step 3: Cross multiply
5,162,681.12x = 7,124,673.04 × 2,839,671.84 - Step 4: Simplify right side
5,162,681.12x = 20,231,733,400,895.19 - Step 5: Solve for x
x = 20,231,733,400,895.19/5,162,681.12 - Step 6: Final answer
x = 3,918,842.35
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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.