Finding the Fourth Proportional to 3,739,507.92, 5,604,386.68 and 1,688,641.36
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Solution
The fourth proportional to 3,739,507.92, 5,604,386.68 and 1,688,641.36 is: 2,530,760.56
Step by Step Solution
- Step 1: Write the proportion equation
3,739,507.92 : 5,604,386.68 = 1,688,641.36 : x - Step 2: Convert to fraction form
3,739,507.92/5,604,386.68 = 1,688,641.36/x - Step 3: Cross multiply
3,739,507.92x = 5,604,386.68 × 1,688,641.36 - Step 4: Simplify right side
3,739,507.92x = 9,463,799,145,281.08 - Step 5: Solve for x
x = 9,463,799,145,281.08/3,739,507.92 - Step 6: Final answer
x = 2,530,760.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.