Finding the Fourth Proportional to 2,819,386.08, 3,890,756.50 and 1,530,226.62
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Solution
The fourth proportional to 2,819,386.08, 3,890,756.50 and 1,530,226.62 is: 2,111,714.75
Step by Step Solution
- Step 1: Write the proportion equation
2,819,386.08 : 3,890,756.50 = 1,530,226.62 : x - Step 2: Convert to fraction form
2,819,386.08/3,890,756.50 = 1,530,226.62/x - Step 3: Cross multiply
2,819,386.08x = 3,890,756.50 × 1,530,226.62 - Step 4: Simplify right side
2,819,386.08x = 5,953,739,164,412.46 - Step 5: Solve for x
x = 5,953,739,164,412.46/2,819,386.08 - Step 6: Final answer
x = 2,111,714.75
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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.