Home / 2,458,975.60-3,688,981.80-1,038,300.40

Finding the Fourth Proportional to 2,458,975.60, 3,688,981.80 and 1,038,300.40

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Solution

The fourth proportional to 2,458,975.60, 3,688,981.80 and 1,038,300.40 is: 1,557,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458,975.60 : 3,688,981.80 = 1,038,300.40 : x
  2. Step 2: Convert to fraction form
    2,458,975.60/3,688,981.80 = 1,038,300.40/x
  3. Step 3: Cross multiply
    2,458,975.60x = 3,688,981.80 × 1,038,300.40
  4. Step 4: Simplify right side
    2,458,975.60x = 3,830,271,278,532.72
  5. Step 5: Solve for x
    x = 3,830,271,278,532.72/2,458,975.60
  6. Step 6: Final answer
    x = 1,557,669.49

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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.