Finding the Fourth Proportional to 1,854,289.61, 2,780,562.49 and 717,587.12
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Solution
The fourth proportional to 1,854,289.61, 2,780,562.49 and 717,587.12 is: 1,076,043.26
Step by Step Solution
- Step 1: Write the proportion equation
1,854,289.61 : 2,780,562.49 = 717,587.12 : x - Step 2: Convert to fraction form
1,854,289.61/2,780,562.49 = 717,587.12/x - Step 3: Cross multiply
1,854,289.61x = 2,780,562.49 × 717,587.12 - Step 4: Simplify right side
1,854,289.61x = 1,995,295,824,021.69 - Step 5: Solve for x
x = 1,995,295,824,021.69/1,854,289.61 - Step 6: Final answer
x = 1,076,043.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.