Finding the Fourth Proportional to 1,574,807.70, 2,173,234.05 and 859,415.70
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Solution
The fourth proportional to 1,574,807.70, 2,173,234.05 and 859,415.70 is: 1,185,993.35
Step by Step Solution
- Step 1: Write the proportion equation
1,574,807.70 : 2,173,234.05 = 859,415.70 : x - Step 2: Convert to fraction form
1,574,807.70/2,173,234.05 = 859,415.70/x - Step 3: Cross multiply
1,574,807.70x = 2,173,234.05 × 859,415.70 - Step 4: Simplify right side
1,574,807.70x = 1,867,711,462,344.58 - Step 5: Solve for x
x = 1,867,711,462,344.58/1,574,807.70 - Step 6: Final answer
x = 1,185,993.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.