Finding the Fourth Proportional to 1,670,972.96, 2,506,781.68 and 711,410.99
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Solution
The fourth proportional to 1,670,972.96, 2,506,781.68 and 711,410.99 is: 1,067,253.68
Step by Step Solution
- Step 1: Write the proportion equation
1,670,972.96 : 2,506,781.68 = 711,410.99 : x - Step 2: Convert to fraction form
1,670,972.96/2,506,781.68 = 711,410.99/x - Step 3: Cross multiply
1,670,972.96x = 2,506,781.68 × 711,410.99 - Step 4: Simplify right side
1,670,972.96x = 1,783,352,033,125.61 - Step 5: Solve for x
x = 1,783,352,033,125.61/1,670,972.96 - Step 6: Final answer
x = 1,067,253.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.