Finding the Fourth Proportional to 5,742,103.59, 8,614,416.84 and 1,698,276.21
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Solution
The fourth proportional to 5,742,103.59, 8,614,416.84 and 1,698,276.21 is: 2,547,787.40
Step by Step Solution
- Step 1: Write the proportion equation
5,742,103.59 : 8,614,416.84 = 1,698,276.21 : x - Step 2: Convert to fraction form
5,742,103.59/8,614,416.84 = 1,698,276.21/x - Step 3: Cross multiply
5,742,103.59x = 8,614,416.84 × 1,698,276.21 - Step 4: Simplify right side
5,742,103.59x = 14,629,659,182,395.38 - Step 5: Solve for x
x = 14,629,659,182,395.38/5,742,103.59 - Step 6: Final answer
x = 2,547,787.40
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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.