Finding the Fourth Proportional to 1,554,247.13, 2,331,501.93 and 432,316.13
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Solution
The fourth proportional to 1,554,247.13, 2,331,501.93 and 432,316.13 is: 648,510.69
Step by Step Solution
- Step 1: Write the proportion equation
1,554,247.13 : 2,331,501.93 = 432,316.13 : x - Step 2: Convert to fraction form
1,554,247.13/2,331,501.93 = 432,316.13/x - Step 3: Cross multiply
1,554,247.13x = 2,331,501.93 × 432,316.13 - Step 4: Simplify right side
1,554,247.13x = 1,007,945,879,807.62 - Step 5: Solve for x
x = 1,007,945,879,807.62/1,554,247.13 - Step 6: Final answer
x = 648,510.69
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1.5x scale
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.