Finding the Fourth Proportional to 1,451,872.13, 2,178,251.27 and 742,398.53
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Solution
The fourth proportional to 1,451,872.13, 2,178,251.27 and 742,398.53 is: 1,113,824.35
Step by Step Solution
- Step 1: Write the proportion equation
1,451,872.13 : 2,178,251.27 = 742,398.53 : x - Step 2: Convert to fraction form
1,451,872.13/2,178,251.27 = 742,398.53/x - Step 3: Cross multiply
1,451,872.13x = 2,178,251.27 × 742,398.53 - Step 4: Simplify right side
1,451,872.13x = 1,617,130,537,106.64 - Step 5: Solve for x
x = 1,617,130,537,106.64/1,451,872.13 - Step 6: Final answer
x = 1,113,824.35
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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.