Finding the Fourth Proportional to 2,952,923.79, 4,075,563.29 and 1,729,157.87
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Solution
The fourth proportional to 2,952,923.79, 4,075,563.29 and 1,729,157.87 is: 2,386,547.31
Step by Step Solution
- Step 1: Write the proportion equation
2,952,923.79 : 4,075,563.29 = 1,729,157.87 : x - Step 2: Convert to fraction form
2,952,923.79/4,075,563.29 = 1,729,157.87/x - Step 3: Cross multiply
2,952,923.79x = 4,075,563.29 × 1,729,157.87 - Step 4: Simplify right side
2,952,923.79x = 7,047,292,339,129.71 - Step 5: Solve for x
x = 7,047,292,339,129.71/2,952,923.79 - Step 6: Final answer
x = 2,386,547.31
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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.