Home / 1,916,057.92-2,875,140-718,807.36

Finding the Fourth Proportional to 1,916,057.92, 2,875,140 and 718,807.36

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Solution

The fourth proportional to 1,916,057.92, 2,875,140 and 718,807.36 is: 1,078,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,057.92 : 2,875,140 = 718,807.36 : x
  2. Step 2: Convert to fraction form
    1,916,057.92/2,875,140 = 718,807.36/x
  3. Step 3: Cross multiply
    1,916,057.92x = 2,875,140 × 718,807.36
  4. Step 4: Simplify right side
    1,916,057.92x = 2,066,671,793,030.40
  5. Step 5: Solve for x
    x = 2,066,671,793,030.40/1,916,057.92
  6. Step 6: Final answer
    x = 1,078,606.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.