Finding the Fourth Proportional to 7,387,656.30, 11,081,484.45 and 2,593,752.30
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Solution
The fourth proportional to 7,387,656.30, 11,081,484.45 and 2,593,752.30 is: 3,890,628.45
Step by Step Solution
- Step 1: Write the proportion equation
7,387,656.30 : 11,081,484.45 = 2,593,752.30 : x - Step 2: Convert to fraction form
7,387,656.30/11,081,484.45 = 2,593,752.30/x - Step 3: Cross multiply
7,387,656.30x = 11,081,484.45 × 2,593,752.30 - Step 4: Simplify right side
7,387,656.30x = 28,742,625,779,601.73 - Step 5: Solve for x
x = 28,742,625,779,601.73/7,387,656.30 - Step 6: Final answer
x = 3,890,628.45
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Double scale
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Similar ratio
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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.