Finding the Fourth Proportional to 6,432,564.80, 9,648,530.36 and 2,389,839.68
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Solution
The fourth proportional to 6,432,564.80, 9,648,530.36 and 2,389,839.68 is: 3,584,641.81
Step by Step Solution
- Step 1: Write the proportion equation
6,432,564.80 : 9,648,530.36 = 2,389,839.68 : x - Step 2: Convert to fraction form
6,432,564.80/9,648,530.36 = 2,389,839.68/x - Step 3: Cross multiply
6,432,564.80x = 9,648,530.36 × 2,389,839.68 - Step 4: Simplify right side
6,432,564.80x = 23,058,440,708,012.68 - Step 5: Solve for x
x = 23,058,440,708,012.68/6,432,564.80 - Step 6: Final answer
x = 3,584,641.81
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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.