Finding the Fourth Proportional to 1,542,206.83, 2,128,311.95 and 853,878.70
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Solution
The fourth proportional to 1,542,206.83, 2,128,311.95 and 853,878.70 is: 1,178,389.44
Step by Step Solution
- Step 1: Write the proportion equation
1,542,206.83 : 2,128,311.95 = 853,878.70 : x - Step 2: Convert to fraction form
1,542,206.83/2,128,311.95 = 853,878.70/x - Step 3: Cross multiply
1,542,206.83x = 2,128,311.95 × 853,878.70 - Step 4: Simplify right side
1,542,206.83x = 1,817,320,241,060.47 - Step 5: Solve for x
x = 1,817,320,241,060.47/1,542,206.83 - Step 6: Final answer
x = 1,178,389.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.