Finding the Fourth Proportional to 1,998,875.29, 2,758,448.33 and 1,127,894.84
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Solution
The fourth proportional to 1,998,875.29, 2,758,448.33 and 1,127,894.84 is: 1,556,495.13
Step by Step Solution
- Step 1: Write the proportion equation
1,998,875.29 : 2,758,448.33 = 1,127,894.84 : x - Step 2: Convert to fraction form
1,998,875.29/2,758,448.33 = 1,127,894.84/x - Step 3: Cross multiply
1,998,875.29x = 2,758,448.33 × 1,127,894.84 - Step 4: Simplify right side
1,998,875.29x = 3,111,239,637,813.62 - Step 5: Solve for x
x = 3,111,239,637,813.62/1,998,875.29 - Step 6: Final answer
x = 1,556,495.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.