Finding the Fourth Proportional to 5,167,677.12, 7,746,304.77 and 3,249,958.62
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Solution
The fourth proportional to 5,167,677.12, 7,746,304.77 and 3,249,958.62 is: 4,871,660.78
Step by Step Solution
- Step 1: Write the proportion equation
5,167,677.12 : 7,746,304.77 = 3,249,958.62 : x - Step 2: Convert to fraction form
5,167,677.12/7,746,304.77 = 3,249,958.62/x - Step 3: Cross multiply
5,167,677.12x = 7,746,304.77 × 3,249,958.62 - Step 4: Simplify right side
5,167,677.12x = 25,175,169,960,408.62 - Step 5: Solve for x
x = 25,175,169,960,408.62/5,167,677.12 - Step 6: Final answer
x = 4,871,660.78
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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.