Home / 1,606,981.69-2,217,085.45-918,159.31

Finding the Fourth Proportional to 1,606,981.69, 2,217,085.45 and 918,159.31

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Solution

The fourth proportional to 1,606,981.69, 2,217,085.45 and 918,159.31 is: 1,266,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,981.69 : 2,217,085.45 = 918,159.31 : x
  2. Step 2: Convert to fraction form
    1,606,981.69/2,217,085.45 = 918,159.31/x
  3. Step 3: Cross multiply
    1,606,981.69x = 2,217,085.45 × 918,159.31
  4. Step 4: Simplify right side
    1,606,981.69x = 2,035,637,646,983.04
  5. Step 5: Solve for x
    x = 2,035,637,646,983.04/1,606,981.69
  6. Step 6: Final answer
    x = 1,266,746.01

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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.