Finding the Fourth Proportional to 1,688,698.40, 2,330,387.12 and 914,325.44
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Solution
The fourth proportional to 1,688,698.40, 2,330,387.12 and 914,325.44 is: 1,261,760.08
Step by Step Solution
- Step 1: Write the proportion equation
1,688,698.40 : 2,330,387.12 = 914,325.44 : x - Step 2: Convert to fraction form
1,688,698.40/2,330,387.12 = 914,325.44/x - Step 3: Cross multiply
1,688,698.40x = 2,330,387.12 × 914,325.44 - Step 4: Simplify right side
1,688,698.40x = 2,130,732,228,864.33 - Step 5: Solve for x
x = 2,130,732,228,864.33/1,688,698.40 - Step 6: Final answer
x = 1,261,760.08
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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.