Home / 2,867,428.20-4,301,336.70-974,312.40

Finding the Fourth Proportional to 2,867,428.20, 4,301,336.70 and 974,312.40

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Solution

The fourth proportional to 2,867,428.20, 4,301,336.70 and 974,312.40 is: 1,461,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,428.20 : 4,301,336.70 = 974,312.40 : x
  2. Step 2: Convert to fraction form
    2,867,428.20/4,301,336.70 = 974,312.40/x
  3. Step 3: Cross multiply
    2,867,428.20x = 4,301,336.70 × 974,312.40
  4. Step 4: Simplify right side
    2,867,428.20x = 4,190,845,683,385.08
  5. Step 5: Solve for x
    x = 4,190,845,683,385.08/2,867,428.20
  6. Step 6: Final answer
    x = 1,461,534.65

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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.