Finding the Fourth Proportional to 1,690,902.51, 2,537,183.93 and 679,983.63
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Solution
The fourth proportional to 1,690,902.51, 2,537,183.93 and 679,983.63 is: 1,020,309.29
Step by Step Solution
- Step 1: Write the proportion equation
1,690,902.51 : 2,537,183.93 = 679,983.63 : x - Step 2: Convert to fraction form
1,690,902.51/2,537,183.93 = 679,983.63/x - Step 3: Cross multiply
1,690,902.51x = 2,537,183.93 × 679,983.63 - Step 4: Simplify right side
1,690,902.51x = 1,725,243,535,299.15 - Step 5: Solve for x
x = 1,725,243,535,299.15/1,690,902.51 - Step 6: Final answer
x = 1,020,309.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.