Finding the Fourth Proportional to 3,345,453.79, 4,615,709.12 and 1,894,918.75
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Solution
The fourth proportional to 3,345,453.79, 4,615,709.12 and 1,894,918.75 is: 2,614,411.76
Step by Step Solution
- Step 1: Write the proportion equation
3,345,453.79 : 4,615,709.12 = 1,894,918.75 : x - Step 2: Convert to fraction form
3,345,453.79/4,615,709.12 = 1,894,918.75/x - Step 3: Cross multiply
3,345,453.79x = 4,615,709.12 × 1,894,918.75 - Step 4: Simplify right side
3,345,453.79x = 8,746,393,732,955.46 - Step 5: Solve for x
x = 8,746,393,732,955.46/3,345,453.79 - Step 6: Final answer
x = 2,614,411.76
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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.