Finding the Fourth Proportional to 5,144,303.79, 7,098,898.93 and 2,969,547.68
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Solution
The fourth proportional to 5,144,303.79, 7,098,898.93 and 2,969,547.68 is: 4,097,837.09
Step by Step Solution
- Step 1: Write the proportion equation
5,144,303.79 : 7,098,898.93 = 2,969,547.68 : x - Step 2: Convert to fraction form
5,144,303.79/7,098,898.93 = 2,969,547.68/x - Step 3: Cross multiply
5,144,303.79x = 7,098,898.93 × 2,969,547.68 - Step 4: Simplify right side
5,144,303.79x = 21,080,518,858,459.36 - Step 5: Solve for x
x = 21,080,518,858,459.36/5,144,303.79 - Step 6: Final answer
x = 4,097,837.09
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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.