Finding the Fourth Proportional to 6,238,353.08, 9,358,422.25 and 1,920,768.62
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Solution
The fourth proportional to 6,238,353.08, 9,358,422.25 and 1,920,768.62 is: 2,881,427.77
Step by Step Solution
- Step 1: Write the proportion equation
6,238,353.08 : 9,358,422.25 = 1,920,768.62 : x - Step 2: Convert to fraction form
6,238,353.08/9,358,422.25 = 1,920,768.62/x - Step 3: Cross multiply
6,238,353.08x = 9,358,422.25 × 1,920,768.62 - Step 4: Simplify right side
6,238,353.08x = 17,975,363,774,239.93 - Step 5: Solve for x
x = 17,975,363,774,239.93/6,238,353.08 - Step 6: Final answer
x = 2,881,427.77
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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.