Finding the Fourth Proportional to 5,030,815.68, 7,547,393.16 and 1,436,631.84
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Solution
The fourth proportional to 5,030,815.68, 7,547,393.16 and 1,436,631.84 is: 2,155,281.77
Step by Step Solution
- Step 1: Write the proportion equation
5,030,815.68 : 7,547,393.16 = 1,436,631.84 : x - Step 2: Convert to fraction form
5,030,815.68/7,547,393.16 = 1,436,631.84/x - Step 3: Cross multiply
5,030,815.68x = 7,547,393.16 × 1,436,631.84 - Step 4: Simplify right side
5,030,815.68x = 10,842,825,322,654.21 - Step 5: Solve for x
x = 10,842,825,322,654.21/5,030,815.68 - Step 6: Final answer
x = 2,155,281.77
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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.