Finding the Fourth Proportional to 1,580,442.68, 2,370,422.64 and 515,482.76
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Solution
The fourth proportional to 1,580,442.68, 2,370,422.64 and 515,482.76 is: 773,145.41
Step by Step Solution
- Step 1: Write the proportion equation
1,580,442.68 : 2,370,422.64 = 515,482.76 : x - Step 2: Convert to fraction form
1,580,442.68/2,370,422.64 = 515,482.76/x - Step 3: Cross multiply
1,580,442.68x = 2,370,422.64 × 515,482.76 - Step 4: Simplify right side
1,580,442.68x = 1,221,912,004,833.69 - Step 5: Solve for x
x = 1,221,912,004,833.69/1,580,442.68 - Step 6: Final answer
x = 773,145.41
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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.