Finding the Fourth Proportional to 3,312,239.28, 4,968,358.50 and 1,068,377.28
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Solution
The fourth proportional to 3,312,239.28, 4,968,358.50 and 1,068,377.28 is: 1,602,565.78
Step by Step Solution
- Step 1: Write the proportion equation
3,312,239.28 : 4,968,358.50 = 1,068,377.28 : x - Step 2: Convert to fraction form
3,312,239.28/4,968,358.50 = 1,068,377.28/x - Step 3: Cross multiply
3,312,239.28x = 4,968,358.50 × 1,068,377.28 - Step 4: Simplify right side
3,312,239.28x = 5,308,081,340,294.88 - Step 5: Solve for x
x = 5,308,081,340,294.88/3,312,239.28 - Step 6: Final answer
x = 1,602,565.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.