Home / 1,916,932.77-2,645,324.60-1,057,492.80

Finding the Fourth Proportional to 1,916,932.77, 2,645,324.60 and 1,057,492.80

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Solution

The fourth proportional to 1,916,932.77, 2,645,324.60 and 1,057,492.80 is: 1,459,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,932.77 : 2,645,324.60 = 1,057,492.80 : x
  2. Step 2: Convert to fraction form
    1,916,932.77/2,645,324.60 = 1,057,492.80/x
  3. Step 3: Cross multiply
    1,916,932.77x = 2,645,324.60 × 1,057,492.80
  4. Step 4: Simplify right side
    1,916,932.77x = 2,797,411,712,875.42
  5. Step 5: Solve for x
    x = 2,797,411,712,875.42/1,916,932.77
  6. Step 6: Final answer
    x = 1,459,316.55

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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.