Finding the Fourth Proportional to 4,139,643.69, 6,209,028.75 and 1,107,315.54
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Solution
The fourth proportional to 4,139,643.69, 6,209,028.75 and 1,107,315.54 is: 1,660,856.47
Step by Step Solution
- Step 1: Write the proportion equation
4,139,643.69 : 6,209,028.75 = 1,107,315.54 : x - Step 2: Convert to fraction form
4,139,643.69/6,209,028.75 = 1,107,315.54/x - Step 3: Cross multiply
4,139,643.69x = 6,209,028.75 × 1,107,315.54 - Step 4: Simplify right side
4,139,643.69x = 6,875,354,023,181.78 - Step 5: Solve for x
x = 6,875,354,023,181.78/4,139,643.69 - Step 6: Final answer
x = 1,660,856.47
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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.