Finding the Fourth Proportional to 7,243,351.40, 10,849,280.70 and 4,398,501.80
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Solution
The fourth proportional to 7,243,351.40, 10,849,280.70 and 4,398,501.80 is: 6,588,190.75
Step by Step Solution
- Step 1: Write the proportion equation
7,243,351.40 : 10,849,280.70 = 4,398,501.80 : x - Step 2: Convert to fraction form
7,243,351.40/10,849,280.70 = 4,398,501.80/x - Step 3: Cross multiply
7,243,351.40x = 10,849,280.70 × 4,398,501.80 - Step 4: Simplify right side
7,243,351.40x = 47,720,580,687,655.26 - Step 5: Solve for x
x = 47,720,580,687,655.26/7,243,351.40 - Step 6: Final answer
x = 6,588,190.75
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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.