Finding the Fourth Proportional to 3,316,395.92, 4,576,572.76 and 1,866,090.52
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Solution
The fourth proportional to 3,316,395.92, 4,576,572.76 and 1,866,090.52 is: 2,575,174.75
Step by Step Solution
- Step 1: Write the proportion equation
3,316,395.92 : 4,576,572.76 = 1,866,090.52 : x - Step 2: Convert to fraction form
3,316,395.92/4,576,572.76 = 1,866,090.52/x - Step 3: Cross multiply
3,316,395.92x = 4,576,572.76 × 1,866,090.52 - Step 4: Simplify right side
3,316,395.92x = 8,540,299,041,526.24 - Step 5: Solve for x
x = 8,540,299,041,526.24/3,316,395.92 - Step 6: Final answer
x = 2,575,174.75
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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.