Finding the Fourth Proportional to 1,542,281.80, 2,318,952.30 and 1,298,979.40
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Solution
The fourth proportional to 1,542,281.80, 2,318,952.30 and 1,298,979.40 is: 1,953,126.38
Step by Step Solution
- Step 1: Write the proportion equation
1,542,281.80 : 2,318,952.30 = 1,298,979.40 : x - Step 2: Convert to fraction form
1,542,281.80/2,318,952.30 = 1,298,979.40/x - Step 3: Cross multiply
1,542,281.80x = 2,318,952.30 × 1,298,979.40 - Step 4: Simplify right side
1,542,281.80x = 3,012,271,267,282.62 - Step 5: Solve for x
x = 3,012,271,267,282.62/1,542,281.80 - Step 6: Final answer
x = 1,953,126.38
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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.