Home / 5,122,162.56-7,068,582-2,830,303.20

Finding the Fourth Proportional to 5,122,162.56, 7,068,582 and 2,830,303.20

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Solution

The fourth proportional to 5,122,162.56, 7,068,582 and 2,830,303.20 is: 3,905,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,162.56 : 7,068,582 = 2,830,303.20 : x
  2. Step 2: Convert to fraction form
    5,122,162.56/7,068,582 = 2,830,303.20/x
  3. Step 3: Cross multiply
    5,122,162.56x = 7,068,582 × 2,830,303.20
  4. Step 4: Simplify right side
    5,122,162.56x = 20,006,230,254,062.40
  5. Step 5: Solve for x
    x = 20,006,230,254,062.40/5,122,162.56
  6. Step 6: Final answer
    x = 3,905,817.13

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1.5x scale

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.