Finding the Fourth Proportional to 3,645,266.40, 5,030,509.86 and 2,013,639.98
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Solution
The fourth proportional to 3,645,266.40, 5,030,509.86 and 2,013,639.98 is: 2,778,846.49
Step by Step Solution
- Step 1: Write the proportion equation
3,645,266.40 : 5,030,509.86 = 2,013,639.98 : x - Step 2: Convert to fraction form
3,645,266.40/5,030,509.86 = 2,013,639.98/x - Step 3: Cross multiply
3,645,266.40x = 5,030,509.86 × 2,013,639.98 - Step 4: Simplify right side
3,645,266.40x = 10,129,635,748,727.65 - Step 5: Solve for x
x = 10,129,635,748,727.65/3,645,266.40 - Step 6: Final answer
x = 2,778,846.49
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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.