Finding the Fourth Proportional to 1,432,537.04, 2,148,448.20 and 421,457.68
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Solution
The fourth proportional to 1,432,537.04, 2,148,448.20 and 421,457.68 is: 632,081.38
Step by Step Solution
- Step 1: Write the proportion equation
1,432,537.04 : 2,148,448.20 = 421,457.68 : x - Step 2: Convert to fraction form
1,432,537.04/2,148,448.20 = 421,457.68/x - Step 3: Cross multiply
1,432,537.04x = 2,148,448.20 × 421,457.68 - Step 4: Simplify right side
1,432,537.04x = 905,479,993,972.18 - Step 5: Solve for x
x = 905,479,993,972.18/1,432,537.04 - Step 6: Final answer
x = 632,081.38
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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.