Finding the Fourth Proportional to 1,595,291.57, 2,201,509.20 and 870,154.84
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Solution
The fourth proportional to 1,595,291.57, 2,201,509.20 and 870,154.84 is: 1,200,817.41
Step by Step Solution
- Step 1: Write the proportion equation
1,595,291.57 : 2,201,509.20 = 870,154.84 : x - Step 2: Convert to fraction form
1,595,291.57/2,201,509.20 = 870,154.84/x - Step 3: Cross multiply
1,595,291.57x = 2,201,509.20 × 870,154.84 - Step 4: Simplify right side
1,595,291.57x = 1,915,653,885,684.53 - Step 5: Solve for x
x = 1,915,653,885,684.53/1,595,291.57 - Step 6: Final answer
x = 1,200,817.41
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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.