Finding the Fourth Proportional to 6,358,285.12, 8,774,078.88 and 3,642,206.08
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Solution
The fourth proportional to 6,358,285.12, 8,774,078.88 and 3,642,206.08 is: 5,026,041.27
Step by Step Solution
- Step 1: Write the proportion equation
6,358,285.12 : 8,774,078.88 = 3,642,206.08 : x - Step 2: Convert to fraction form
6,358,285.12/8,774,078.88 = 3,642,206.08/x - Step 3: Cross multiply
6,358,285.12x = 8,774,078.88 × 3,642,206.08 - Step 4: Simplify right side
6,358,285.12x = 31,957,003,443,135.59 - Step 5: Solve for x
x = 31,957,003,443,135.59/6,358,285.12 - Step 6: Final answer
x = 5,026,041.27
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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.