Finding the Fourth Proportional to 3,423,568.74, 4,724,467.12 and 1,895,643.06
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Solution
The fourth proportional to 3,423,568.74, 4,724,467.12 and 1,895,643.06 is: 2,615,955.45
Step by Step Solution
- Step 1: Write the proportion equation
3,423,568.74 : 4,724,467.12 = 1,895,643.06 : x - Step 2: Convert to fraction form
3,423,568.74/4,724,467.12 = 1,895,643.06/x - Step 3: Cross multiply
3,423,568.74x = 4,724,467.12 × 1,895,643.06 - Step 4: Simplify right side
3,423,568.74x = 8,955,903,308,226.19 - Step 5: Solve for x
x = 8,955,903,308,226.19/3,423,568.74 - Step 6: Final answer
x = 2,615,955.45
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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.