Finding the Fourth Proportional to 5,352,631.48, 7,386,612.99 and 2,905,242.40
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Solution
The fourth proportional to 5,352,631.48, 7,386,612.99 and 2,905,242.40 is: 4,009,224.50
Step by Step Solution
- Step 1: Write the proportion equation
5,352,631.48 : 7,386,612.99 = 2,905,242.40 : x - Step 2: Convert to fraction form
5,352,631.48/7,386,612.99 = 2,905,242.40/x - Step 3: Cross multiply
5,352,631.48x = 7,386,612.99 × 2,905,242.40 - Step 4: Simplify right side
5,352,631.48x = 21,459,901,249,277.38 - Step 5: Solve for x
x = 21,459,901,249,277.38/5,352,631.48 - Step 6: Final answer
x = 4,009,224.50
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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.