Finding the Fourth Proportional to 1,549,911.26, 2,138,903.01 and 852,221.35
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Solution
The fourth proportional to 1,549,911.26, 2,138,903.01 and 852,221.35 is: 1,176,079.47
Step by Step Solution
- Step 1: Write the proportion equation
1,549,911.26 : 2,138,903.01 = 852,221.35 : x - Step 2: Convert to fraction form
1,549,911.26/2,138,903.01 = 852,221.35/x - Step 3: Cross multiply
1,549,911.26x = 2,138,903.01 × 852,221.35 - Step 4: Simplify right side
1,549,911.26x = 1,822,818,813,374.89 - Step 5: Solve for x
x = 1,822,818,813,374.89/1,549,911.26 - Step 6: Final answer
x = 1,176,079.47
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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.