Finding the Fourth Proportional to 6,928,386.84, 10,389,923.46 and 2,378,588.76
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Solution
The fourth proportional to 6,928,386.84, 10,389,923.46 and 2,378,588.76 is: 3,566,971.03
Step by Step Solution
- Step 1: Write the proportion equation
6,928,386.84 : 10,389,923.46 = 2,378,588.76 : x - Step 2: Convert to fraction form
6,928,386.84/10,389,923.46 = 2,378,588.76/x - Step 3: Cross multiply
6,928,386.84x = 10,389,923.46 × 2,378,588.76 - Step 4: Simplify right side
6,928,386.84x = 24,713,355,159,216.31 - Step 5: Solve for x
x = 24,713,355,159,216.31/6,928,386.84 - Step 6: Final answer
x = 3,566,971.03
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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.