Finding the Fourth Proportional to 1,435,076.84, 1,980,396.76 and 790,482.08
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Solution
The fourth proportional to 1,435,076.84, 1,980,396.76 and 790,482.08 is: 1,090,860.16
Step by Step Solution
- Step 1: Write the proportion equation
1,435,076.84 : 1,980,396.76 = 790,482.08 : x - Step 2: Convert to fraction form
1,435,076.84/1,980,396.76 = 790,482.08/x - Step 3: Cross multiply
1,435,076.84x = 1,980,396.76 × 790,482.08 - Step 4: Simplify right side
1,435,076.84x = 1,565,468,150,070.06 - Step 5: Solve for x
x = 1,565,468,150,070.06/1,435,076.84 - Step 6: Final answer
x = 1,090,860.16
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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.