Finding the Fourth Proportional to 1,547,194.08, 2,134,580.40 and 1,010,961.12
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Solution
The fourth proportional to 1,547,194.08, 2,134,580.40 and 1,010,961.12 is: 1,394,768.65
Step by Step Solution
- Step 1: Write the proportion equation
1,547,194.08 : 2,134,580.40 = 1,010,961.12 : x - Step 2: Convert to fraction form
1,547,194.08/2,134,580.40 = 1,010,961.12/x - Step 3: Cross multiply
1,547,194.08x = 2,134,580.40 × 1,010,961.12 - Step 4: Simplify right side
1,547,194.08x = 2,157,977,791,914.05 - Step 5: Solve for x
x = 2,157,977,791,914.05/1,547,194.08 - Step 6: Final answer
x = 1,394,768.65
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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.