Finding the Fourth Proportional to 4,985,060.13, 7,478,386.89 and 2,106,454.17
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Solution
The fourth proportional to 4,985,060.13, 7,478,386.89 and 2,106,454.17 is: 3,160,017.90
Step by Step Solution
- Step 1: Write the proportion equation
4,985,060.13 : 7,478,386.89 = 2,106,454.17 : x - Step 2: Convert to fraction form
4,985,060.13/7,478,386.89 = 2,106,454.17/x - Step 3: Cross multiply
4,985,060.13x = 7,478,386.89 × 2,106,454.17 - Step 4: Simplify right side
4,985,060.13x = 15,752,879,249,313.83 - Step 5: Solve for x
x = 15,752,879,249,313.83/4,985,060.13 - Step 6: Final answer
x = 3,160,017.90
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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.