Finding the Fourth Proportional to 1,506,878.47, 2,080,038.18 and 997,744.87
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Solution
The fourth proportional to 1,506,878.47, 2,080,038.18 and 997,744.87 is: 1,377,249.37
Step by Step Solution
- Step 1: Write the proportion equation
1,506,878.47 : 2,080,038.18 = 997,744.87 : x - Step 2: Convert to fraction form
1,506,878.47/2,080,038.18 = 997,744.87/x - Step 3: Cross multiply
1,506,878.47x = 2,080,038.18 × 997,744.87 - Step 4: Simplify right side
1,506,878.47x = 2,075,347,423,499.14 - Step 5: Solve for x
x = 2,075,347,423,499.14/1,506,878.47 - Step 6: Final answer
x = 1,377,249.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.