Finding the Fourth Proportional to 1,580,395.57, 2,370,352.74 and 515,435.92
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Solution
The fourth proportional to 1,580,395.57, 2,370,352.74 and 515,435.92 is: 773,075.40
Step by Step Solution
- Step 1: Write the proportion equation
1,580,395.57 : 2,370,352.74 = 515,435.92 : x - Step 2: Convert to fraction form
1,580,395.57/2,370,352.74 = 515,435.92/x - Step 3: Cross multiply
1,580,395.57x = 2,370,352.74 × 515,435.92 - Step 4: Simplify right side
1,580,395.57x = 1,221,764,945,266.42 - Step 5: Solve for x
x = 1,221,764,945,266.42/1,580,395.57 - Step 6: Final answer
x = 773,075.40
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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.