Finding the Fourth Proportional to 1,690,137.98, 2,535,323.95 and 679,260.79
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Solution
The fourth proportional to 1,690,137.98, 2,535,323.95 and 679,260.79 is: 1,018,938.19
Step by Step Solution
- Step 1: Write the proportion equation
1,690,137.98 : 2,535,323.95 = 679,260.79 : x - Step 2: Convert to fraction form
1,690,137.98/2,535,323.95 = 679,260.79/x - Step 3: Cross multiply
1,690,137.98x = 2,535,323.95 × 679,260.79 - Step 4: Simplify right side
1,690,137.98x = 1,722,146,135,119.11 - Step 5: Solve for x
x = 1,722,146,135,119.11/1,690,137.98 - Step 6: Final answer
x = 1,018,938.19
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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.