Finding the Fourth Proportional to 4,674,037.32, 7,011,056.04 and 1,128,181.32
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Solution
The fourth proportional to 4,674,037.32, 7,011,056.04 and 1,128,181.32 is: 1,692,271.99
Step by Step Solution
- Step 1: Write the proportion equation
4,674,037.32 : 7,011,056.04 = 1,128,181.32 : x - Step 2: Convert to fraction form
4,674,037.32/7,011,056.04 = 1,128,181.32/x - Step 3: Cross multiply
4,674,037.32x = 7,011,056.04 × 1,128,181.32 - Step 4: Simplify right side
4,674,037.32x = 7,909,742,457,801.17 - Step 5: Solve for x
x = 7,909,742,457,801.17/4,674,037.32 - Step 6: Final answer
x = 1,692,271.99
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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.