Finding the Fourth Proportional to 1,625,730.81, 2,243,479.12 and 900,576.28
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Solution
The fourth proportional to 1,625,730.81, 2,243,479.12 and 900,576.28 is: 1,242,778.98
Step by Step Solution
- Step 1: Write the proportion equation
1,625,730.81 : 2,243,479.12 = 900,576.28 : x - Step 2: Convert to fraction form
1,625,730.81/2,243,479.12 = 900,576.28/x - Step 3: Cross multiply
1,625,730.81x = 2,243,479.12 × 900,576.28 - Step 4: Simplify right side
1,625,730.81x = 2,020,424,080,147.27 - Step 5: Solve for x
x = 2,020,424,080,147.27/1,625,730.81 - Step 6: Final answer
x = 1,242,778.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.