Finding the Fourth Proportional to 1,547,652.50, 2,135,764.60 and 859,325.69
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Solution
The fourth proportional to 1,547,652.50, 2,135,764.60 and 859,325.69 is: 1,185,871.75
Step by Step Solution
- Step 1: Write the proportion equation
1,547,652.50 : 2,135,764.60 = 859,325.69 : x - Step 2: Convert to fraction form
1,547,652.50/2,135,764.60 = 859,325.69/x - Step 3: Cross multiply
1,547,652.50x = 2,135,764.60 × 859,325.69 - Step 4: Simplify right side
1,547,652.50x = 1,835,317,373,597.12 - Step 5: Solve for x
x = 1,835,317,373,597.12/1,547,652.50 - Step 6: Final answer
x = 1,185,871.75
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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.