Finding the Fourth Proportional to 5,398,962.46, 7,450,657.02 and 3,223,695.71
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Solution
The fourth proportional to 5,398,962.46, 7,450,657.02 and 3,223,695.71 is: 4,448,753.12
Step by Step Solution
- Step 1: Write the proportion equation
5,398,962.46 : 7,450,657.02 = 3,223,695.71 : x - Step 2: Convert to fraction form
5,398,962.46/7,450,657.02 = 3,223,695.71/x - Step 3: Cross multiply
5,398,962.46x = 7,450,657.02 × 3,223,695.71 - Step 4: Simplify right side
5,398,962.46x = 24,018,651,090,682.02 - Step 5: Solve for x
x = 24,018,651,090,682.02/5,398,962.46 - Step 6: Final answer
x = 4,448,753.12
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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.