Home / 1,549,210.02-2,138,109.93-870,146.52

Finding the Fourth Proportional to 1,549,210.02, 2,138,109.93 and 870,146.52

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Solution

The fourth proportional to 1,549,210.02, 2,138,109.93 and 870,146.52 is: 1,200,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,210.02 : 2,138,109.93 = 870,146.52 : x
  2. Step 2: Convert to fraction form
    1,549,210.02/2,138,109.93 = 870,146.52/x
  3. Step 3: Cross multiply
    1,549,210.02x = 2,138,109.93 × 870,146.52
  4. Step 4: Simplify right side
    1,549,210.02x = 1,860,468,914,966.94
  5. Step 5: Solve for x
    x = 1,860,468,914,966.94/1,549,210.02
  6. Step 6: Final answer
    x = 1,200,914.59

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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.