Finding the Fourth Proportional to 5,139,698.88, 7,708,848.48 and 1,352,864.64
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Solution
The fourth proportional to 5,139,698.88, 7,708,848.48 and 1,352,864.64 is: 2,029,112.75
Step by Step Solution
- Step 1: Write the proportion equation
5,139,698.88 : 7,708,848.48 = 1,352,864.64 : x - Step 2: Convert to fraction form
5,139,698.88/7,708,848.48 = 1,352,864.64/x - Step 3: Cross multiply
5,139,698.88x = 7,708,848.48 × 1,352,864.64 - Step 4: Simplify right side
5,139,698.88x = 10,429,028,523,709.75 - Step 5: Solve for x
x = 10,429,028,523,709.75/5,139,698.88 - Step 6: Final answer
x = 2,029,112.75
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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.