Finding the Fourth Proportional to 3,249,444.91, 4,484,281.40 and 1,872,028.75
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Solution
The fourth proportional to 3,249,444.91, 4,484,281.40 and 1,872,028.75 is: 2,583,426.99
Step by Step Solution
- Step 1: Write the proportion equation
3,249,444.91 : 4,484,281.40 = 1,872,028.75 : x - Step 2: Convert to fraction form
3,249,444.91/4,484,281.40 = 1,872,028.75/x - Step 3: Cross multiply
3,249,444.91x = 4,484,281.40 × 1,872,028.75 - Step 4: Simplify right side
3,249,444.91x = 8,394,703,694,530.11 - Step 5: Solve for x
x = 8,394,703,694,530.11/3,249,444.91 - Step 6: Final answer
x = 2,583,426.99
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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.