Finding the Fourth Proportional to 1,377,154.99, 2,059,390.72 and 1,309,970.35
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Solution
The fourth proportional to 1,377,154.99, 2,059,390.72 and 1,309,970.35 is: 1,958,923.14
Step by Step Solution
- Step 1: Write the proportion equation
1,377,154.99 : 2,059,390.72 = 1,309,970.35 : x - Step 2: Convert to fraction form
1,377,154.99/2,059,390.72 = 1,309,970.35/x - Step 3: Cross multiply
1,377,154.99x = 2,059,390.72 × 1,309,970.35 - Step 4: Simplify right side
1,377,154.99x = 2,697,740,765,418.35 - Step 5: Solve for x
x = 2,697,740,765,418.35/1,377,154.99 - Step 6: Final answer
x = 1,958,923.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.