Finding the Fourth Proportional to 1,526,771.79, 2,289,485.10 and 717,386.49
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Solution
The fourth proportional to 1,526,771.79, 2,289,485.10 and 717,386.49 is: 1,075,763.71
Step by Step Solution
- Step 1: Write the proportion equation
1,526,771.79 : 2,289,485.10 = 717,386.49 : x - Step 2: Convert to fraction form
1,526,771.79/2,289,485.10 = 717,386.49/x - Step 3: Cross multiply
1,526,771.79x = 2,289,485.10 × 717,386.49 - Step 4: Simplify right side
1,526,771.79x = 1,642,445,679,796.30 - Step 5: Solve for x
x = 1,642,445,679,796.30/1,526,771.79 - Step 6: Final answer
x = 1,075,763.71
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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.