Finding the Fourth Proportional to 6,432,038.56, 9,638,987.25 and 3,554,701.07
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Solution
The fourth proportional to 6,432,038.56, 9,638,987.25 and 3,554,701.07 is: 5,327,038.69
Step by Step Solution
- Step 1: Write the proportion equation
6,432,038.56 : 9,638,987.25 = 3,554,701.07 : x - Step 2: Convert to fraction form
6,432,038.56/9,638,987.25 = 3,554,701.07/x - Step 3: Cross multiply
6,432,038.56x = 9,638,987.25 × 3,554,701.07 - Step 4: Simplify right side
6,432,038.56x = 34,263,718,291,291.36 - Step 5: Solve for x
x = 34,263,718,291,291.36/6,432,038.56 - Step 6: Final answer
x = 5,327,038.69
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1.5x scale
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.