Finding the Fourth Proportional to 1,902,457.73, 2,625,395.18 and 1,031,289.74
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Solution
The fourth proportional to 1,902,457.73, 2,625,395.18 and 1,031,289.74 is: 1,423,181.75
Step by Step Solution
- Step 1: Write the proportion equation
1,902,457.73 : 2,625,395.18 = 1,031,289.74 : x - Step 2: Convert to fraction form
1,902,457.73/2,625,395.18 = 1,031,289.74/x - Step 3: Cross multiply
1,902,457.73x = 2,625,395.18 × 1,031,289.74 - Step 4: Simplify right side
1,902,457.73x = 2,707,543,121,721.17 - Step 5: Solve for x
x = 2,707,543,121,721.17/1,902,457.73 - Step 6: Final answer
x = 1,423,181.75
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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.