Finding the Fourth Proportional to 2,861,497.23, 3,948,865.27 and 1,572,420.65
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Solution
The fourth proportional to 2,861,497.23, 3,948,865.27 and 1,572,420.65 is: 2,169,940.00
Step by Step Solution
- Step 1: Write the proportion equation
2,861,497.23 : 3,948,865.27 = 1,572,420.65 : x - Step 2: Convert to fraction form
2,861,497.23/3,948,865.27 = 1,572,420.65/x - Step 3: Cross multiply
2,861,497.23x = 3,948,865.27 × 1,572,420.65 - Step 4: Simplify right side
2,861,497.23x = 6,209,277,301,187.17 - Step 5: Solve for x
x = 6,209,277,301,187.17/2,861,497.23 - Step 6: Final answer
x = 2,169,940.00
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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.