Finding the Fourth Proportional to 4,326,320.99, 6,488,985.76 and 1,131,755.51
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Solution
The fourth proportional to 4,326,320.99, 6,488,985.76 and 1,131,755.51 is: 1,697,503.58
Step by Step Solution
- Step 1: Write the proportion equation
4,326,320.99 : 6,488,985.76 = 1,131,755.51 : x - Step 2: Convert to fraction form
4,326,320.99/6,488,985.76 = 1,131,755.51/x - Step 3: Cross multiply
4,326,320.99x = 6,488,985.76 × 1,131,755.51 - Step 4: Simplify right side
4,326,320.99x = 7,343,945,388,191.54 - Step 5: Solve for x
x = 7,343,945,388,191.54/4,326,320.99 - Step 6: Final answer
x = 1,697,503.58
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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.