Finding the Fourth Proportional to 4,594,642.57, 6,891,962.23 and 1,228,762.09
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Solution
The fourth proportional to 4,594,642.57, 6,891,962.23 and 1,228,762.09 is: 1,843,142.70
Step by Step Solution
- Step 1: Write the proportion equation
4,594,642.57 : 6,891,962.23 = 1,228,762.09 : x - Step 2: Convert to fraction form
4,594,642.57/6,891,962.23 = 1,228,762.09/x - Step 3: Cross multiply
4,594,642.57x = 6,891,962.23 × 1,228,762.09 - Step 4: Simplify right side
4,594,642.57x = 8,468,581,913,935.86 - Step 5: Solve for x
x = 8,468,581,913,935.86/4,594,642.57 - Step 6: Final answer
x = 1,843,142.70
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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.