Finding the Fourth Proportional to 1,698,815.69, 2,344,366.04 and 934,869.26
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Solution
The fourth proportional to 1,698,815.69, 2,344,366.04 and 934,869.26 is: 1,290,119.79
Step by Step Solution
- Step 1: Write the proportion equation
1,698,815.69 : 2,344,366.04 = 934,869.26 : x - Step 2: Convert to fraction form
1,698,815.69/2,344,366.04 = 934,869.26/x - Step 3: Cross multiply
1,698,815.69x = 2,344,366.04 × 934,869.26 - Step 4: Simplify right side
1,698,815.69x = 2,191,675,728,587.75 - Step 5: Solve for x
x = 2,191,675,728,587.75/1,698,815.69 - Step 6: Final answer
x = 1,290,119.79
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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.