Finding the Fourth Proportional to 1,888,547.49, 2,830,771.53 and 1,239,851.47
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Solution
The fourth proportional to 1,888,547.49, 2,830,771.53 and 1,239,851.47 is: 1,858,431.55
Step by Step Solution
- Step 1: Write the proportion equation
1,888,547.49 : 2,830,771.53 = 1,239,851.47 : x - Step 2: Convert to fraction form
1,888,547.49/2,830,771.53 = 1,239,851.47/x - Step 3: Cross multiply
1,888,547.49x = 2,830,771.53 × 1,239,851.47 - Step 4: Simplify right side
1,888,547.49x = 3,509,736,242,704.65 - Step 5: Solve for x
x = 3,509,736,242,704.65/1,888,547.49 - Step 6: Final answer
x = 1,858,431.55
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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.