Finding the Fourth Proportional to 1,780,125.78, 2,670,443.14 and 549,237.98
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Solution
The fourth proportional to 1,780,125.78, 2,670,443.14 and 549,237.98 is: 823,935.48
Step by Step Solution
- Step 1: Write the proportion equation
1,780,125.78 : 2,670,443.14 = 549,237.98 : x - Step 2: Convert to fraction form
1,780,125.78/2,670,443.14 = 549,237.98/x - Step 3: Cross multiply
1,780,125.78x = 2,670,443.14 × 549,237.98 - Step 4: Simplify right side
1,780,125.78x = 1,466,708,795,918.46 - Step 5: Solve for x
x = 1,466,708,795,918.46/1,780,125.78 - Step 6: Final answer
x = 823,935.48
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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.