Home / 3,426,432.51-5,139,660.33-867,646.23

Finding the Fourth Proportional to 3,426,432.51, 5,139,660.33 and 867,646.23

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Solution

The fourth proportional to 3,426,432.51, 5,139,660.33 and 867,646.23 is: 1,301,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,432.51 : 5,139,660.33 = 867,646.23 : x
  2. Step 2: Convert to fraction form
    3,426,432.51/5,139,660.33 = 867,646.23/x
  3. Step 3: Cross multiply
    3,426,432.51x = 5,139,660.33 × 867,646.23
  4. Step 4: Simplify right side
    3,426,432.51x = 4,459,406,908,805.06
  5. Step 5: Solve for x
    x = 4,459,406,908,805.06/3,426,432.51
  6. Step 6: Final answer
    x = 1,301,472.27

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Double scale
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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.