Home / 1,947,888.54-2,688,353.16-1,120,945.08

Finding the Fourth Proportional to 1,947,888.54, 2,688,353.16 and 1,120,945.08

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Solution

The fourth proportional to 1,947,888.54, 2,688,353.16 and 1,120,945.08 is: 1,547,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,888.54 : 2,688,353.16 = 1,120,945.08 : x
  2. Step 2: Convert to fraction form
    1,947,888.54/2,688,353.16 = 1,120,945.08/x
  3. Step 3: Cross multiply
    1,947,888.54x = 2,688,353.16 × 1,120,945.08
  4. Step 4: Simplify right side
    1,947,888.54x = 3,013,496,248,004.45
  5. Step 5: Solve for x
    x = 3,013,496,248,004.45/1,947,888.54
  6. Step 6: Final answer
    x = 1,547,057.85

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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.