Finding the Fourth Proportional to 6,437,642.64, 9,652,824.14 and 2,118,525.84
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Solution
The fourth proportional to 6,437,642.64, 9,652,824.14 and 2,118,525.84 is: 3,176,590.95
Step by Step Solution
- Step 1: Write the proportion equation
6,437,642.64 : 9,652,824.14 = 2,118,525.84 : x - Step 2: Convert to fraction form
6,437,642.64/9,652,824.14 = 2,118,525.84/x - Step 3: Cross multiply
6,437,642.64x = 9,652,824.14 × 2,118,525.84 - Step 4: Simplify right side
6,437,642.64x = 20,449,757,358,973.15 - Step 5: Solve for x
x = 20,449,757,358,973.15/6,437,642.64 - Step 6: Final answer
x = 3,176,590.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.