Finding the Fourth Proportional to 6,363,243.36, 8,781,860.16 and 3,610,828.80
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Solution
The fourth proportional to 6,363,243.36, 8,781,860.16 and 3,610,828.80 is: 4,983,275.32
Step by Step Solution
- Step 1: Write the proportion equation
6,363,243.36 : 8,781,860.16 = 3,610,828.80 : x - Step 2: Convert to fraction form
6,363,243.36/8,781,860.16 = 3,610,828.80/x - Step 3: Cross multiply
6,363,243.36x = 8,781,860.16 × 3,610,828.80 - Step 4: Simplify right side
6,363,243.36x = 31,709,793,583,300.61 - Step 5: Solve for x
x = 31,709,793,583,300.61/6,363,243.36 - Step 6: Final answer
x = 4,983,275.32
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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.