Home / 1,586,572.91-2,191,273.32-1,069,434.89

Finding the Fourth Proportional to 1,586,572.91, 2,191,273.32 and 1,069,434.89

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Solution

The fourth proportional to 1,586,572.91, 2,191,273.32 and 1,069,434.89 is: 1,477,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,572.91 : 2,191,273.32 = 1,069,434.89 : x
  2. Step 2: Convert to fraction form
    1,586,572.91/2,191,273.32 = 1,069,434.89/x
  3. Step 3: Cross multiply
    1,586,572.91x = 2,191,273.32 × 1,069,434.89
  4. Step 4: Simplify right side
    1,586,572.91x = 2,343,424,141,934.13
  5. Step 5: Solve for x
    x = 2,343,424,141,934.13/1,586,572.91
  6. Step 6: Final answer
    x = 1,477,035.27

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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.