Finding the Fourth Proportional to 2,919,637.48, 4,375,285.98 and 1,318,223.08
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Solution
The fourth proportional to 2,919,637.48, 4,375,285.98 and 1,318,223.08 is: 1,975,451.75
Step by Step Solution
- Step 1: Write the proportion equation
2,919,637.48 : 4,375,285.98 = 1,318,223.08 : x - Step 2: Convert to fraction form
2,919,637.48/4,375,285.98 = 1,318,223.08/x - Step 3: Cross multiply
2,919,637.48x = 4,375,285.98 × 1,318,223.08 - Step 4: Simplify right side
2,919,637.48x = 5,767,602,960,436.42 - Step 5: Solve for x
x = 5,767,602,960,436.42/2,919,637.48 - Step 6: Final answer
x = 1,975,451.75
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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.