Finding the Fourth Proportional to 1,695,317.76, 2,542,018.08 and 557,772.12
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Solution
The fourth proportional to 1,695,317.76, 2,542,018.08 and 557,772.12 is: 836,342.81
Step by Step Solution
- Step 1: Write the proportion equation
1,695,317.76 : 2,542,018.08 = 557,772.12 : x - Step 2: Convert to fraction form
1,695,317.76/2,542,018.08 = 557,772.12/x - Step 3: Cross multiply
1,695,317.76x = 2,542,018.08 × 557,772.12 - Step 4: Simplify right side
1,695,317.76x = 1,417,866,813,559.93 - Step 5: Solve for x
x = 1,417,866,813,559.93/1,695,317.76 - Step 6: Final answer
x = 836,342.81
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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.