Finding the Fourth Proportional to 3,340,898.12, 4,610,442.42 and 1,813,005.26
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Solution
The fourth proportional to 3,340,898.12, 4,610,442.42 and 1,813,005.26 is: 2,501,948.89
Step by Step Solution
- Step 1: Write the proportion equation
3,340,898.12 : 4,610,442.42 = 1,813,005.26 : x - Step 2: Convert to fraction form
3,340,898.12/4,610,442.42 = 1,813,005.26/x - Step 3: Cross multiply
3,340,898.12x = 4,610,442.42 × 1,813,005.26 - Step 4: Simplify right side
3,340,898.12x = 8,358,756,358,387.13 - Step 5: Solve for x
x = 8,358,756,358,387.13/3,340,898.12 - Step 6: Final answer
x = 2,501,948.89
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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.