Home / 2,918,941.16-4,376,941.79-972,980.76

Finding the Fourth Proportional to 2,918,941.16, 4,376,941.79 and 972,980.76

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Solution

The fourth proportional to 2,918,941.16, 4,376,941.79 and 972,980.76 is: 1,458,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,941.16 : 4,376,941.79 = 972,980.76 : x
  2. Step 2: Convert to fraction form
    2,918,941.16/4,376,941.79 = 972,980.76/x
  3. Step 3: Cross multiply
    2,918,941.16x = 4,376,941.79 × 972,980.76
  4. Step 4: Simplify right side
    2,918,941.16x = 4,258,680,144,445.06
  5. Step 5: Solve for x
    x = 4,258,680,144,445.06/2,918,941.16
  6. Step 6: Final answer
    x = 1,458,981.16

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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.