Home / 5,127,184.80-7,688,409.12-1,887,908.94

Finding the Fourth Proportional to 5,127,184.80, 7,688,409.12 and 1,887,908.94

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Solution

The fourth proportional to 5,127,184.80, 7,688,409.12 and 1,887,908.94 is: 2,830,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,184.80 : 7,688,409.12 = 1,887,908.94 : x
  2. Step 2: Convert to fraction form
    5,127,184.80/7,688,409.12 = 1,887,908.94/x
  3. Step 3: Cross multiply
    5,127,184.80x = 7,688,409.12 × 1,887,908.94
  4. Step 4: Simplify right side
    5,127,184.80x = 14,515,016,312,025.53
  5. Step 5: Solve for x
    x = 14,515,016,312,025.53/5,127,184.80
  6. Step 6: Final answer
    x = 2,830,991.45

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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.