Home / 2,607,069.12-3,911,683.95-1,407,581.43

Finding the Fourth Proportional to 2,607,069.12, 3,911,683.95 and 1,407,581.43

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Solution

The fourth proportional to 2,607,069.12, 3,911,683.95 and 1,407,581.43 is: 2,111,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,069.12 : 3,911,683.95 = 1,407,581.43 : x
  2. Step 2: Convert to fraction form
    2,607,069.12/3,911,683.95 = 1,407,581.43/x
  3. Step 3: Cross multiply
    2,607,069.12x = 3,911,683.95 × 1,407,581.43
  4. Step 4: Simplify right side
    2,607,069.12x = 5,506,013,688,049.05
  5. Step 5: Solve for x
    x = 5,506,013,688,049.05/2,607,069.12
  6. Step 6: Final answer
    x = 2,111,955.39

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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.