Home / 1,816,139.53-2,506,275.44-1,000,345.47

Finding the Fourth Proportional to 1,816,139.53, 2,506,275.44 and 1,000,345.47

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Solution

The fourth proportional to 1,816,139.53, 2,506,275.44 and 1,000,345.47 is: 1,380,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,139.53 : 2,506,275.44 = 1,000,345.47 : x
  2. Step 2: Convert to fraction form
    1,816,139.53/2,506,275.44 = 1,000,345.47/x
  3. Step 3: Cross multiply
    1,816,139.53x = 2,506,275.44 × 1,000,345.47
  4. Step 4: Simplify right side
    1,816,139.53x = 2,507,141,282,976.26
  5. Step 5: Solve for x
    x = 2,507,141,282,976.26/1,816,139.53
  6. Step 6: Final answer
    x = 1,380,478.34

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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.