Finding the Fourth Proportional to 7,128,001.05, 10,692,001.58 and 2,334,534.45
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Solution
The fourth proportional to 7,128,001.05, 10,692,001.58 and 2,334,534.45 is: 3,501,801.68
Step by Step Solution
- Step 1: Write the proportion equation
7,128,001.05 : 10,692,001.58 = 2,334,534.45 : x - Step 2: Convert to fraction form
7,128,001.05/10,692,001.58 = 2,334,534.45/x - Step 3: Cross multiply
7,128,001.05x = 10,692,001.58 × 2,334,534.45 - Step 4: Simplify right side
7,128,001.05x = 24,960,846,016,291.76 - Step 5: Solve for x
x = 24,960,846,016,291.76/7,128,001.05 - Step 6: Final answer
x = 3,501,801.68
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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.