Finding the Fourth Proportional to 7,358,719.06, 11,037,237.63 and 1,967,789.80
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Solution
The fourth proportional to 7,358,719.06, 11,037,237.63 and 1,967,789.80 is: 2,951,459.82
Step by Step Solution
- Step 1: Write the proportion equation
7,358,719.06 : 11,037,237.63 = 1,967,789.80 : x - Step 2: Convert to fraction form
7,358,719.06/11,037,237.63 = 1,967,789.80/x - Step 3: Cross multiply
7,358,719.06x = 11,037,237.63 × 1,967,789.80 - Step 4: Simplify right side
7,358,719.06x = 21,718,963,628,490.18 - Step 5: Solve for x
x = 21,718,963,628,490.18/7,358,719.06 - Step 6: Final answer
x = 2,951,459.82
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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.