Finding the Fourth Proportional to 1,600,101.58, 2,207,714.63 and 911,758.71
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Solution
The fourth proportional to 1,600,101.58, 2,207,714.63 and 911,758.71 is: 1,257,984.53
Step by Step Solution
- Step 1: Write the proportion equation
1,600,101.58 : 2,207,714.63 = 911,758.71 : x - Step 2: Convert to fraction form
1,600,101.58/2,207,714.63 = 911,758.71/x - Step 3: Cross multiply
1,600,101.58x = 2,207,714.63 × 911,758.71 - Step 4: Simplify right side
1,600,101.58x = 2,012,903,035,298.24 - Step 5: Solve for x
x = 2,012,903,035,298.24/1,600,101.58 - Step 6: Final answer
x = 1,257,984.53
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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.