Finding the Fourth Proportional to 6,438,395.03, 8,884,982.61 and 3,537,972.95
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Solution
The fourth proportional to 6,438,395.03, 8,884,982.61 and 3,537,972.95 is: 4,882,401.28
Step by Step Solution
- Step 1: Write the proportion equation
6,438,395.03 : 8,884,982.61 = 3,537,972.95 : x - Step 2: Convert to fraction form
6,438,395.03/8,884,982.61 = 3,537,972.95/x - Step 3: Cross multiply
6,438,395.03x = 8,884,982.61 × 3,537,972.95 - Step 4: Simplify right side
6,438,395.03x = 31,434,828,090,975.48 - Step 5: Solve for x
x = 31,434,828,090,975.48/6,438,395.03 - Step 6: Final answer
x = 4,882,401.28
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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.