Finding the Fourth Proportional to 6,742,318.72, 9,304,402.80 and 3,686,558.08
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Solution
The fourth proportional to 6,742,318.72, 9,304,402.80 and 3,686,558.08 is: 5,087,451.77
Step by Step Solution
- Step 1: Write the proportion equation
6,742,318.72 : 9,304,402.80 = 3,686,558.08 : x - Step 2: Convert to fraction form
6,742,318.72/9,304,402.80 = 3,686,558.08/x - Step 3: Cross multiply
6,742,318.72x = 9,304,402.80 × 3,686,558.08 - Step 4: Simplify right side
6,742,318.72x = 34,301,221,321,914.63 - Step 5: Solve for x
x = 34,301,221,321,914.63/6,742,318.72 - Step 6: Final answer
x = 5,087,451.77
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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.