Finding the Fourth Proportional to 6,447,642.84, 8,897,395.68 and 3,546,565.36
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Solution
The fourth proportional to 6,447,642.84, 8,897,395.68 and 3,546,565.36 is: 4,894,066.89
Step by Step Solution
- Step 1: Write the proportion equation
6,447,642.84 : 8,897,395.68 = 3,546,565.36 : x - Step 2: Convert to fraction form
6,447,642.84/8,897,395.68 = 3,546,565.36/x - Step 3: Cross multiply
6,447,642.84x = 8,897,395.68 × 3,546,565.36 - Step 4: Simplify right side
6,447,642.84x = 31,555,195,312,901.64 - Step 5: Solve for x
x = 31,555,195,312,901.64/6,447,642.84 - Step 6: Final answer
x = 4,894,066.89
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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.