Finding the Fourth Proportional to 1,754,430.24, 2,421,172.32 and 1,075,235.52
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Solution
The fourth proportional to 1,754,430.24, 2,421,172.32 and 1,075,235.52 is: 1,483,860.92
Step by Step Solution
- Step 1: Write the proportion equation
1,754,430.24 : 2,421,172.32 = 1,075,235.52 : x - Step 2: Convert to fraction form
1,754,430.24/2,421,172.32 = 1,075,235.52/x - Step 3: Cross multiply
1,754,430.24x = 2,421,172.32 × 1,075,235.52 - Step 4: Simplify right side
1,754,430.24x = 2,603,330,478,504.81 - Step 5: Solve for x
x = 2,603,330,478,504.81/1,754,430.24 - Step 6: Final answer
x = 1,483,860.92
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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.