Finding the Fourth Proportional to 7,075,135.40, 10,588,208.70 and 4,237,284.20
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Solution
The fourth proportional to 7,075,135.40, 10,588,208.70 and 4,237,284.20 is: 6,341,256.65
Step by Step Solution
- Step 1: Write the proportion equation
7,075,135.40 : 10,588,208.70 = 4,237,284.20 : x - Step 2: Convert to fraction form
7,075,135.40/10,588,208.70 = 4,237,284.20/x - Step 3: Cross multiply
7,075,135.40x = 10,588,208.70 × 4,237,284.20 - Step 4: Simplify right side
7,075,135.40x = 44,865,249,430,812.54 - Step 5: Solve for x
x = 44,865,249,430,812.54/7,075,135.40 - Step 6: Final answer
x = 6,341,256.65
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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.