Finding the Fourth Proportional to 3,148,230.76, 4,344,159.52 and 1,790,132.92
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Solution
The fourth proportional to 3,148,230.76, 4,344,159.52 and 1,790,132.92 is: 2,470,156.59
Step by Step Solution
- Step 1: Write the proportion equation
3,148,230.76 : 4,344,159.52 = 1,790,132.92 : x - Step 2: Convert to fraction form
3,148,230.76/4,344,159.52 = 1,790,132.92/x - Step 3: Cross multiply
3,148,230.76x = 4,344,159.52 × 1,790,132.92 - Step 4: Simplify right side
3,148,230.76x = 7,776,622,966,483.40 - Step 5: Solve for x
x = 7,776,622,966,483.40/3,148,230.76 - Step 6: Final answer
x = 2,470,156.59
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1.5x scale
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.