Finding the Fourth Proportional to 2,069,087.48, 3,103,632.93 and 989,345.99
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Solution
The fourth proportional to 2,069,087.48, 3,103,632.93 and 989,345.99 is: 1,484,019.80
Step by Step Solution
- Step 1: Write the proportion equation
2,069,087.48 : 3,103,632.93 = 989,345.99 : x - Step 2: Convert to fraction form
2,069,087.48/3,103,632.93 = 989,345.99/x - Step 3: Cross multiply
2,069,087.48x = 3,103,632.93 × 989,345.99 - Step 4: Simplify right side
2,069,087.48x = 3,070,566,778,209.29 - Step 5: Solve for x
x = 3,070,566,778,209.29/2,069,087.48 - Step 6: Final answer
x = 1,484,019.80
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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.