Finding the Fourth Proportional to 1,570,460.80, 2,352,926.40 and 1,288,451.20
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Solution
The fourth proportional to 1,570,460.80, 2,352,926.40 and 1,288,451.20 is: 1,930,408.48
Step by Step Solution
- Step 1: Write the proportion equation
1,570,460.80 : 2,352,926.40 = 1,288,451.20 : x - Step 2: Convert to fraction form
1,570,460.80/2,352,926.40 = 1,288,451.20/x - Step 3: Cross multiply
1,570,460.80x = 2,352,926.40 × 1,288,451.20 - Step 4: Simplify right side
1,570,460.80x = 3,031,630,843,591.68 - Step 5: Solve for x
x = 3,031,630,843,591.68/1,570,460.80 - Step 6: Final answer
x = 1,930,408.48
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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.