Finding the Fourth Proportional to 1,916,723.80, 2,872,643.55 and 1,018,595.80
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Solution
The fourth proportional to 1,916,723.80, 2,872,643.55 and 1,018,595.80 is: 1,526,595.88
Step by Step Solution
- Step 1: Write the proportion equation
1,916,723.80 : 2,872,643.55 = 1,018,595.80 : x - Step 2: Convert to fraction form
1,916,723.80/2,872,643.55 = 1,018,595.80/x - Step 3: Cross multiply
1,916,723.80x = 2,872,643.55 × 1,018,595.80 - Step 4: Simplify right side
1,916,723.80x = 2,926,062,654,927.09 - Step 5: Solve for x
x = 2,926,062,654,927.09/1,916,723.80 - Step 6: Final answer
x = 1,526,595.88
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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.