Finding the Fourth Proportional to 1,690,869.35, 2,535,762.74 and 553,323.17
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Solution
The fourth proportional to 1,690,869.35, 2,535,762.74 and 553,323.17 is: 829,807.62
Step by Step Solution
- Step 1: Write the proportion equation
1,690,869.35 : 2,535,762.74 = 553,323.17 : x - Step 2: Convert to fraction form
1,690,869.35/2,535,762.74 = 553,323.17/x - Step 3: Cross multiply
1,690,869.35x = 2,535,762.74 × 553,323.17 - Step 4: Simplify right side
1,690,869.35x = 1,403,096,262,219.26 - Step 5: Solve for x
x = 1,403,096,262,219.26/1,690,869.35 - Step 6: Final answer
x = 829,807.62
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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.