Finding the Fourth Proportional to 5,439,798.54, 7,506,880.56 and 2,992,357.02
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Solution
The fourth proportional to 5,439,798.54, 7,506,880.56 and 2,992,357.02 is: 4,129,429.90
Step by Step Solution
- Step 1: Write the proportion equation
5,439,798.54 : 7,506,880.56 = 2,992,357.02 : x - Step 2: Convert to fraction form
5,439,798.54/7,506,880.56 = 2,992,357.02/x - Step 3: Cross multiply
5,439,798.54x = 7,506,880.56 × 2,992,357.02 - Step 4: Simplify right side
5,439,798.54x = 22,463,266,742,017.53 - Step 5: Solve for x
x = 22,463,266,742,017.53/5,439,798.54 - Step 6: Final answer
x = 4,129,429.90
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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.