Finding the Fourth Proportional to 5,119,306.48, 7,064,038.65 and 2,827,330.48
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Solution
The fourth proportional to 5,119,306.48, 7,064,038.65 and 2,827,330.48 is: 3,901,382.32
Step by Step Solution
- Step 1: Write the proportion equation
5,119,306.48 : 7,064,038.65 = 2,827,330.48 : x - Step 2: Convert to fraction form
5,119,306.48/7,064,038.65 = 2,827,330.48/x - Step 3: Cross multiply
5,119,306.48x = 7,064,038.65 × 2,827,330.48 - Step 4: Simplify right side
5,119,306.48x = 19,972,371,787,043.05 - Step 5: Solve for x
x = 19,972,371,787,043.05/5,119,306.48 - Step 6: Final answer
x = 3,901,382.32
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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.