Finding the Fourth Proportional to 1,690,134.84, 2,535,319.31 and 679,257.68
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Solution
The fourth proportional to 1,690,134.84, 2,535,319.31 and 679,257.68 is: 1,018,933.55
Step by Step Solution
- Step 1: Write the proportion equation
1,690,134.84 : 2,535,319.31 = 679,257.68 : x - Step 2: Convert to fraction form
1,690,134.84/2,535,319.31 = 679,257.68/x - Step 3: Cross multiply
1,690,134.84x = 2,535,319.31 × 679,257.68 - Step 4: Simplify right side
1,690,134.84x = 1,722,135,096,496.92 - Step 5: Solve for x
x = 1,722,135,096,496.92/1,690,134.84 - Step 6: Final answer
x = 1,018,933.55
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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.