Home / 1,680,210.89-2,318,013.54-972,506.96

Finding the Fourth Proportional to 1,680,210.89, 2,318,013.54 and 972,506.96

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Solution

The fourth proportional to 1,680,210.89, 2,318,013.54 and 972,506.96 is: 1,341,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,210.89 : 2,318,013.54 = 972,506.96 : x
  2. Step 2: Convert to fraction form
    1,680,210.89/2,318,013.54 = 972,506.96/x
  3. Step 3: Cross multiply
    1,680,210.89x = 2,318,013.54 × 972,506.96
  4. Step 4: Simplify right side
    1,680,210.89x = 2,254,284,301,024.24
  5. Step 5: Solve for x
    x = 2,254,284,301,024.24/1,680,210.89
  6. Step 6: Final answer
    x = 1,341,667.47

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Why These Related Problems?

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