Finding the Fourth Proportional to 6,653,683.70, 9,182,216.67 and 3,752,506.70
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Solution
The fourth proportional to 6,653,683.70, 9,182,216.67 and 3,752,506.70 is: 5,178,534.35
Step by Step Solution
- Step 1: Write the proportion equation
6,653,683.70 : 9,182,216.67 = 3,752,506.70 : x - Step 2: Convert to fraction form
6,653,683.70/9,182,216.67 = 3,752,506.70/x - Step 3: Cross multiply
6,653,683.70x = 9,182,216.67 × 3,752,506.70 - Step 4: Simplify right side
6,653,683.70x = 34,456,329,575,026.69 - Step 5: Solve for x
x = 34,456,329,575,026.69/6,653,683.70 - Step 6: Final answer
x = 5,178,534.35
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1.5x scale
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.