Finding the Fourth Proportional to 1,580,375.94, 2,180,918.80 and 855,223.66
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Solution
The fourth proportional to 1,580,375.94, 2,180,918.80 and 855,223.66 is: 1,180,208.65
Step by Step Solution
- Step 1: Write the proportion equation
1,580,375.94 : 2,180,918.80 = 855,223.66 : x - Step 2: Convert to fraction form
1,580,375.94/2,180,918.80 = 855,223.66/x - Step 3: Cross multiply
1,580,375.94x = 2,180,918.80 × 855,223.66 - Step 4: Simplify right side
1,580,375.94x = 1,865,173,358,298.81 - Step 5: Solve for x
x = 1,865,173,358,298.81/1,580,375.94 - Step 6: Final answer
x = 1,180,208.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.