Finding the Fourth Proportional to 4,211,022.06, 6,316,582.86 and 1,478,638.08
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Solution
The fourth proportional to 4,211,022.06, 6,316,582.86 and 1,478,638.08 is: 2,217,974.60
Step by Step Solution
- Step 1: Write the proportion equation
4,211,022.06 : 6,316,582.86 = 1,478,638.08 : x - Step 2: Convert to fraction form
4,211,022.06/6,316,582.86 = 1,478,638.08/x - Step 3: Cross multiply
4,211,022.06x = 6,316,582.86 × 1,478,638.08 - Step 4: Simplify right side
4,211,022.06x = 9,339,939,952,271.31 - Step 5: Solve for x
x = 9,339,939,952,271.31/4,211,022.06 - Step 6: Final answer
x = 2,217,974.60
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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.