Finding the Fourth Proportional to 1,837,400.70, 2,756,101.05 and 1,365,008.70
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Solution
The fourth proportional to 1,837,400.70, 2,756,101.05 and 1,365,008.70 is: 2,047,513.05
Step by Step Solution
- Step 1: Write the proportion equation
1,837,400.70 : 2,756,101.05 = 1,365,008.70 : x - Step 2: Convert to fraction form
1,837,400.70/2,756,101.05 = 1,365,008.70/x - Step 3: Cross multiply
1,837,400.70x = 2,756,101.05 × 1,365,008.70 - Step 4: Simplify right side
1,837,400.70x = 3,762,101,911,329.14 - Step 5: Solve for x
x = 3,762,101,911,329.14/1,837,400.70 - Step 6: Final answer
x = 2,047,513.05
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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.