Finding the Fourth Proportional to 2,216,953.76, 3,059,394.80 and 1,198,358.51
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Solution
The fourth proportional to 2,216,953.76, 3,059,394.80 and 1,198,358.51 is: 1,653,733.99
Step by Step Solution
- Step 1: Write the proportion equation
2,216,953.76 : 3,059,394.80 = 1,198,358.51 : x - Step 2: Convert to fraction form
2,216,953.76/3,059,394.80 = 1,198,358.51/x - Step 3: Cross multiply
2,216,953.76x = 3,059,394.80 × 1,198,358.51 - Step 4: Simplify right side
2,216,953.76x = 3,666,251,781,728.67 - Step 5: Solve for x
x = 3,666,251,781,728.67/2,216,953.76 - Step 6: Final answer
x = 1,653,733.99
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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.