Finding the Fourth Proportional to 6,113,918.46, 9,170,871.74 and 1,564,959.98
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Solution
The fourth proportional to 6,113,918.46, 9,170,871.74 and 1,564,959.98 is: 2,347,438.45
Step by Step Solution
- Step 1: Write the proportion equation
6,113,918.46 : 9,170,871.74 = 1,564,959.98 : x - Step 2: Convert to fraction form
6,113,918.46/9,170,871.74 = 1,564,959.98/x - Step 3: Cross multiply
6,113,918.46x = 9,170,871.74 × 1,564,959.98 - Step 4: Simplify right side
6,113,918.46x = 14,352,047,275,783.94 - Step 5: Solve for x
x = 14,352,047,275,783.94/6,113,918.46 - Step 6: Final answer
x = 2,347,438.45
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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.