Home / 1,891,315.04-2,838,484.32-980,756.24

Finding the Fourth Proportional to 1,891,315.04, 2,838,484.32 and 980,756.24

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Solution

The fourth proportional to 1,891,315.04, 2,838,484.32 and 980,756.24 is: 1,471,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,315.04 : 2,838,484.32 = 980,756.24 : x
  2. Step 2: Convert to fraction form
    1,891,315.04/2,838,484.32 = 980,756.24/x
  3. Step 3: Cross multiply
    1,891,315.04x = 2,838,484.32 × 980,756.24
  4. Step 4: Simplify right side
    1,891,315.04x = 2,783,861,208,982.16
  5. Step 5: Solve for x
    x = 2,783,861,208,982.16/1,891,315.04
  6. Step 6: Final answer
    x = 1,471,918.29

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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.