Home / 1,868,345.52-2,792,280.90-1,363,968.64

Finding the Fourth Proportional to 1,868,345.52, 2,792,280.90 and 1,363,968.64

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Solution

The fourth proportional to 1,868,345.52, 2,792,280.90 and 1,363,968.64 is: 2,038,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,345.52 : 2,792,280.90 = 1,363,968.64 : x
  2. Step 2: Convert to fraction form
    1,868,345.52/2,792,280.90 = 1,363,968.64/x
  3. Step 3: Cross multiply
    1,868,345.52x = 2,792,280.90 × 1,363,968.64
  4. Step 4: Simplify right side
    1,868,345.52x = 3,808,583,581,670.98
  5. Step 5: Solve for x
    x = 3,808,583,581,670.98/1,868,345.52
  6. Step 6: Final answer
    x = 2,038,479.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.