Finding the Fourth Proportional to 4,704,760.69, 6,492,681.63 and 2,639,929.05
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Solution
The fourth proportional to 4,704,760.69, 6,492,681.63 and 2,639,929.05 is: 3,643,164.87
Step by Step Solution
- Step 1: Write the proportion equation
4,704,760.69 : 6,492,681.63 = 2,639,929.05 : x - Step 2: Convert to fraction form
4,704,760.69/6,492,681.63 = 2,639,929.05/x - Step 3: Cross multiply
4,704,760.69x = 6,492,681.63 × 2,639,929.05 - Step 4: Simplify right side
4,704,760.69x = 17,140,218,847,438.35 - Step 5: Solve for x
x = 17,140,218,847,438.35/4,704,760.69 - Step 6: Final answer
x = 3,643,164.87
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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.