Home / 3,439,683.81-5,159,642.18-915,341.49

Finding the Fourth Proportional to 3,439,683.81, 5,159,642.18 and 915,341.49

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Solution

The fourth proportional to 3,439,683.81, 5,159,642.18 and 915,341.49 is: 1,373,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,683.81 : 5,159,642.18 = 915,341.49 : x
  2. Step 2: Convert to fraction form
    3,439,683.81/5,159,642.18 = 915,341.49/x
  3. Step 3: Cross multiply
    3,439,683.81x = 5,159,642.18 × 915,341.49
  4. Step 4: Simplify right side
    3,439,683.81x = 4,722,834,556,331.34
  5. Step 5: Solve for x
    x = 4,722,834,556,331.34/3,439,683.81
  6. Step 6: Final answer
    x = 1,373,043.23

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1.5x scale

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.