Home / 3,128,464-4,317,280.32-1,697,680

Finding the Fourth Proportional to 3,128,464, 4,317,280.32 and 1,697,680

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Solution

The fourth proportional to 3,128,464, 4,317,280.32 and 1,697,680 is: 2,342,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,464 : 4,317,280.32 = 1,697,680 : x
  2. Step 2: Convert to fraction form
    3,128,464/4,317,280.32 = 1,697,680/x
  3. Step 3: Cross multiply
    3,128,464x = 4,317,280.32 × 1,697,680
  4. Step 4: Simplify right side
    3,128,464x = 7,329,360,453,657.60
  5. Step 5: Solve for x
    x = 7,329,360,453,657.60/3,128,464
  6. Step 6: Final answer
    x = 2,342,798.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.