Finding the Fourth Proportional to 1,416,749.70, 2,125,124.55 and 470,151.30
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Solution
The fourth proportional to 1,416,749.70, 2,125,124.55 and 470,151.30 is: 705,226.95
Step by Step Solution
- Step 1: Write the proportion equation
1,416,749.70 : 2,125,124.55 = 470,151.30 : x - Step 2: Convert to fraction form
1,416,749.70/2,125,124.55 = 470,151.30/x - Step 3: Cross multiply
1,416,749.70x = 2,125,124.55 × 470,151.30 - Step 4: Simplify right side
1,416,749.70x = 999,130,069,844.42 - Step 5: Solve for x
x = 999,130,069,844.42/1,416,749.70 - Step 6: Final answer
x = 705,226.95
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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.