Finding the Fourth Proportional to 4,389,052.78, 6,056,901.71 and 2,455,345.65
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Solution
The fourth proportional to 4,389,052.78, 6,056,901.71 and 2,455,345.65 is: 3,388,381.96
Step by Step Solution
- Step 1: Write the proportion equation
4,389,052.78 : 6,056,901.71 = 2,455,345.65 : x - Step 2: Convert to fraction form
4,389,052.78/6,056,901.71 = 2,455,345.65/x - Step 3: Cross multiply
4,389,052.78x = 6,056,901.71 × 2,455,345.65 - Step 4: Simplify right side
4,389,052.78x = 14,871,787,266,126.06 - Step 5: Solve for x
x = 14,871,787,266,126.06/4,389,052.78 - Step 6: Final answer
x = 3,388,381.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.