Finding the Fourth Proportional to 1,979,567.58, 2,969,350.28 and 717,393.18
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Solution
The fourth proportional to 1,979,567.58, 2,969,350.28 and 717,393.18 is: 1,076,089.37
Step by Step Solution
- Step 1: Write the proportion equation
1,979,567.58 : 2,969,350.28 = 717,393.18 : x - Step 2: Convert to fraction form
1,979,567.58/2,969,350.28 = 717,393.18/x - Step 3: Cross multiply
1,979,567.58x = 2,969,350.28 × 717,393.18 - Step 4: Simplify right side
1,979,567.58x = 2,130,191,639,903.09 - Step 5: Solve for x
x = 2,130,191,639,903.09/1,979,567.58 - Step 6: Final answer
x = 1,076,089.37
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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.