Finding the Fourth Proportional to 1,748,518.14, 2,621,221.20 and 683,317.92
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Solution
The fourth proportional to 1,748,518.14, 2,621,221.20 and 683,317.92 is: 1,024,368.79
Step by Step Solution
- Step 1: Write the proportion equation
1,748,518.14 : 2,621,221.20 = 683,317.92 : x - Step 2: Convert to fraction form
1,748,518.14/2,621,221.20 = 683,317.92/x - Step 3: Cross multiply
1,748,518.14x = 2,621,221.20 × 683,317.92 - Step 4: Simplify right side
1,748,518.14x = 1,791,127,418,243.90 - Step 5: Solve for x
x = 1,791,127,418,243.90/1,748,518.14 - Step 6: Final answer
x = 1,024,368.79
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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.