Finding the Fourth Proportional to 5,403,108.84, 7,447,639.14 and 3,660,248.04
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Solution
The fourth proportional to 5,403,108.84, 7,447,639.14 and 3,660,248.04 is: 5,045,281.78
Step by Step Solution
- Step 1: Write the proportion equation
5,403,108.84 : 7,447,639.14 = 3,660,248.04 : x - Step 2: Convert to fraction form
5,403,108.84/7,447,639.14 = 3,660,248.04/x - Step 3: Cross multiply
5,403,108.84x = 7,447,639.14 × 3,660,248.04 - Step 4: Simplify right side
5,403,108.84x = 27,260,206,564,812.29 - Step 5: Solve for x
x = 27,260,206,564,812.29/5,403,108.84 - Step 6: Final answer
x = 5,045,281.78
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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.